79400558592 has 168 divisors, whose sum is σ = 241441513560. Its totient is φ = 25073418240.

The previous prime is 79400558551. The next prime is 79400558597. The reversal of 79400558592 is 29585500497.

79400558592 is a `hidden beast` number, since 7 + 9 + 40 + 0 + 5 + 5 + 8 + 592 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79400558597) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1372492 + ... + 1429172.

Almost surely, 2^79400558592 is an apocalyptic number.

79400558592 is a gapful number since it is divisible by the number (72) 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 79400558592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120720756780).

79400558592 is an abundant number, since it is smaller than the sum of its proper divisors (162040954968).

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

79400558592 is a wasteful number, since it uses less digits than its factorization.

79400558592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56732 (or 56705 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 54.

The spelling of 79400558592 in words is "seventy-nine billion, four hundred million, five hundred fifty-eight thousand, five hundred ninety-two".