79787244 has 48 divisors (see below), whose sum is σ = 193971456. Its totient is φ = 25502400.

The previous prime is 79787209. The next prime is 79787249. The reversal of 79787244 is 44278797.

It is a junction number, because it is equal to n+sod(n) for n = 79787193 and 79787202.

It is not an unprimeable number, because it can be changed into a prime (79787249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30259 + ... + 32789.

It is an arithmetic number, because the mean of its divisors is an integer number (4041072).

Almost surely, 2^79787244 is an apocalyptic number.

79787244 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

79787244 is an abundant number, since it is smaller than the sum of its proper divisors (114184212).

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

79787244 is a wasteful number, since it uses less digits than its factorization.

79787244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646 (or 2644 counting only the distinct ones).

The product of its digits is 790272, while the sum is 48.

The square root of 79787244 is about 8932.3705700111. The cubic root of 79787244 is about 430.5046248024.

The spelling of 79787244 in words is "seventy-nine million, seven hundred eighty-seven thousand, two hundred forty-four".