979801697376 has 72 divisors (see below), whose sum is σ = 2792746330920. Its totient is φ = 325846250496.

The previous prime is 979801697351. The next prime is 979801697437. The reversal of 979801697376 is 673796108979.

It is a happy number.

979801697376 is a `hidden beast` number, since 9 + 7 + 98 + 0 + 169 + 7 + 376 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×979801697376² (a number of 25 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3803806 + ... + 4053213.

It is an arithmetic number, because the mean of its divisors is an integer number (38788143485).

Almost surely, 2^979801697376 is an apocalyptic number.

979801697376 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

979801697376 is an abundant number, since it is smaller than the sum of its proper divisors (1812944633544).

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

979801697376 is a wasteful number, since it uses less digits than its factorization.

979801697376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857468 (or 7857457 counting only the distinct ones).

The product of its (nonzero) digits is 216040608, while the sum is 72.

The spelling of 979801697376 in words is "nine hundred seventy-nine billion, eight hundred one million, six hundred ninety-seven thousand, three hundred seventy-six".