79362844680 has 128 divisors (see below), whose sum is σ = 272434176000. Its totient is φ = 18117879552.

The previous prime is 79362844679. The next prime is 79362844681. The reversal of 79362844680 is 8644826397.

It is an interprime number because it is at equal distance from previous prime (79362844679) and next prime (79362844681).

It is a super-2 number, since 2×79362844680² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79362844680.

It is not an unprimeable number, because it can be changed into a prime (79362844681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 633921 + ... + 748719.

It is an arithmetic number, because the mean of its divisors is an integer number (2128392000).

Almost surely, 2^79362844680 is an apocalyptic number.

79362844680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79362844680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136217088000).

79362844680 is an abundant number, since it is smaller than the sum of its proper divisors (193071331320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79362844680 is a wasteful number, since it uses less digits than its factorization.

79362844680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115643 (or 115639 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 79362844680 in words is "seventy-nine billion, three hundred sixty-two million, eight hundred forty-four thousand, six hundred eighty".