79426802136 has 64 divisors (see below), whose sum is σ = 222473134080. Its totient is φ = 23418218880.

The previous prime is 79426802123. The next prime is 79426802149. The reversal of 79426802136 is 63120862497.

It is an interprime number because it is at equal distance from previous prime (79426802123) and next prime (79426802149).

It is a congruent number.

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, 4055896 + ... + 4075431.

It is an arithmetic number, because the mean of its divisors is an integer number (3476142720).

Almost surely, 2^79426802136 is an apocalyptic number.

It is an amenable number.

79426802136 is an abundant number, since it is smaller than the sum of its proper divisors (143046331944).

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

79426802136 is a wasteful number, since it uses less digits than its factorization.

79426802136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8131384 (or 8131380 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 79426802136 in words is "seventy-nine billion, four hundred twenty-six million, eight hundred two thousand, one hundred thirty-six".