79400079360 has 832 divisors, whose sum is σ = 328185192960. Its totient is φ = 17836277760.

The previous prime is 79400079331. The next prime is 79400079379. The reversal of 79400079360 is 6397000497.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 282562420 + ... + 282562700.

Almost surely, 2^79400079360 is an apocalyptic number.

79400079360 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 79400079360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164092596480).

79400079360 is an abundant number, since it is smaller than the sum of its proper divisors (248785113600).

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

79400079360 is a wasteful number, since it uses less digits than its factorization.

79400079360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The spelling of 79400079360 in words is "seventy-nine billion, four hundred million, seventy-nine thousand, three hundred sixty".