79666615175 has 48 divisors (see below), whose sum is σ = 115723968192. Its totient is φ = 53263257600.

The previous prime is 79666615159. The next prime is 79666615187. The reversal of 79666615175 is 57151666697.

It is not a de Polignac number, because 79666615175 - 2⁴ = 79666615159 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 (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18889667 + ... + 18893883.

It is an arithmetic number, because the mean of its divisors is an integer number (2410916004).

Almost surely, 2^79666615175 is an apocalyptic number.

79666615175 is a deficient number, since it is larger than the sum of its proper divisors (36057353017).

79666615175 is a wasteful number, since it uses less digits than its factorization.

79666615175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6908 (or 6903 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 59.

The spelling of 79666615175 in words is "seventy-nine billion, six hundred sixty-six million, six hundred fifteen thousand, one hundred seventy-five".