79426288680 has 64 divisors (see below), whose sum is σ = 238344992640. Its totient is φ = 21174465792.

The previous prime is 79426288679. The next prime is 79426288709. The reversal of 79426288680 is 8688262497.

It is a super-2 number, since 2×79426288680² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351237 + ... + 531243.

It is an arithmetic number, because the mean of its divisors is an integer number (3724140510).

Almost surely, 2^79426288680 is an apocalyptic number.

It is an amenable number.

79426288680 is an abundant number, since it is smaller than the sum of its proper divisors (158918703960).

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

79426288680 is a wasteful number, since it uses less digits than its factorization.

79426288680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183698 (or 183694 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 79426288680 in words is "seventy-nine billion, four hundred twenty-six million, two hundred eighty-eight thousand, six hundred eighty".