7800269982 has 8 divisors (see below), whose sum is σ = 15600539976. Its totient is φ = 2600089992.

The previous prime is 7800269957. The next prime is 7800269989. The reversal of 7800269982 is 2899620087.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

7800269982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7800269989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650022493 + ... + 650022504.

It is an arithmetic number, because the mean of its divisors is an integer number (1950067497).

Almost surely, 2^7800269982 is an apocalyptic number.

7800269982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7800269982 is a wasteful number, since it uses less digits than its factorization.

7800269982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300045002.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 7800269982 is about 88319.1371221436. The cubic root of 7800269982 is about 1983.2153638814.

The spelling of 7800269982 in words is "seven billion, eight hundred million, two hundred sixty-nine thousand, nine hundred eighty-two".