979957396800 has 168 divisors, whose sum is σ = 3572307816000. Its totient is φ = 261321960960.

The previous prime is 979957396793. The next prime is 979957396837. The reversal of 979957396800 is 8693759979.

It is a happy number.

979957396800 is a `hidden beast` number, since 9 + 79 + 95 + 7 + 396 + 80 + 0 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11298900 + ... + 11385299.

It is an arithmetic number, because the mean of its divisors is an integer number (21263737000).

Almost surely, 2^979957396800 is an apocalyptic number.

979957396800 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

979957396800 is an abundant number, since it is smaller than the sum of its proper divisors (2592350419200).

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

979957396800 is a wasteful number, since it uses less digits than its factorization.

979957396800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22684230 (or 22684209 counting only the distinct ones).

The product of its (nonzero) digits is 231472080, while the sum is 72.

The spelling of 979957396800 in words is "nine hundred seventy-nine billion, nine hundred fifty-seven million, three hundred ninety-six thousand, eight hundred".