79655281975 has 24 divisors (see below), whose sum is σ = 103686935040. Its totient is φ = 60623340000.

The previous prime is 79655281961. The next prime is 79655281987. The reversal of 79655281975 is 57918255697.

It is a happy number.

It is not a de Polignac number, because 79655281975 - 2⁷ = 79655281847 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 825301 + ... + 916750.

It is an arithmetic number, because the mean of its divisors is an integer number (4320288960).

Almost surely, 2^79655281975 is an apocalyptic number.

79655281975 is a deficient number, since it is larger than the sum of its proper divisors (24031653065).

79655281975 is a wasteful number, since it uses less digits than its factorization.

79655281975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742151 (or 1742146 counting only the distinct ones).

The product of its digits is 47628000, while the sum is 64.

The spelling of 79655281975 in words is "seventy-nine billion, six hundred fifty-five million, two hundred eighty-one thousand, nine hundred seventy-five".