79115927040 has 800 divisors, whose sum is σ = 305872744320. Its totient is φ = 19480559616.

The previous prime is 79115927017. The next prime is 79115927053. The reversal of 79115927040 is 4072951197.

79115927040 is a `hidden beast` number, since 7 + 9 + 11 + 592 + 7 + 0 + 40 = 666.

It is a super-2 number, since 2×79115927040² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 79 ways as a sum of consecutive naturals, for example, 169412887 + ... + 169413353.

Almost surely, 2^79115927040 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 79115927040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152936372160).

79115927040 is an abundant number, since it is smaller than the sum of its proper divisors (226756817280).

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

79115927040 is a wasteful number, since it uses less digits than its factorization.

79115927040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The spelling of 79115927040 in words is "seventy-nine billion, one hundred fifteen million, nine hundred twenty-seven thousand, forty".