79856874639360 has 4992 divisors, whose sum is σ = 382933805506560. Its totient is φ = 15396274962432.

The previous prime is 79856874639359. The next prime is 79856874639371. The reversal of 79856874639360 is 6393647865897.

79856874639360 is a `hidden beast` number, since 7 + 9 + 8 + 5 + 6 + 8 + 7 + 463 + 93 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (4992).

It is a super-2 number, since 2×79856874639360² (a number of 29 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 79856874639360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 478184877997 + ... + 478184878163.

Almost surely, 2^{79856874639360} is an apocalyptic number.

79856874639360 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 79856874639360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191466902753280).

79856874639360 is an abundant number, since it is smaller than the sum of its proper divisors (303076930867200).

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

79856874639360 is a wasteful number, since it uses less digits than its factorization.

79856874639360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 9876142080, while the sum is 81.

The spelling of 79856874639360 in words is "seventy-nine trillion, eight hundred fifty-six billion, eight hundred seventy-four million, six hundred thirty-nine thousand, three hundred sixty".