79774407504 has 360 divisors, whose sum is σ = 255752130816. Its totient is φ = 23169484800.

The previous prime is 79774407481. The next prime is 79774407511. The reversal of 79774407504 is 40570447797.

79774407504 is a `hidden beast` number, since 7 + 97 + 7 + 4 + 40 + 7 + 504 = 666.

It is a super-2 number, since 2×79774407504² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 61035619 + ... + 61036925.

Almost surely, 2^79774407504 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 79774407504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127876065408).

79774407504 is an abundant number, since it is smaller than the sum of its proper divisors (175977723312).

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

79774407504 is a wasteful number, since it uses less digits than its factorization.

79774407504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 6914880, while the sum is 54.

The spelling of 79774407504 in words is "seventy-nine billion, seven hundred seventy-four million, four hundred seven thousand, five hundred four".