79467749568 has 252 divisors, whose sum is σ = 250942873272. Its totient is φ = 24929648640.

The previous prime is 79467749321. The next prime is 79467749579. The reversal of 79467749568 is 86594776497.

79467749568 is a `hidden beast` number, since 7 + 9 + 4 + 6 + 77 + 495 + 68 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 79467749496 and 79467749505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4485688 + ... + 4503368.

Almost surely, 2^79467749568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79467749568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125471436636).

79467749568 is an abundant number, since it is smaller than the sum of its proper divisors (171475123704).

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

79467749568 is a wasteful number, since it uses less digits than its factorization.

79467749568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17742 (or 17703 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 72.

The spelling of 79467749568 in words is "seventy-nine billion, four hundred sixty-seven million, seven hundred forty-nine thousand, five hundred sixty-eight".