79158407697 has 12 divisors (see below), whose sum is σ = 114347800320. Its totient is φ = 52768635768.

The previous prime is 79158407681. The next prime is 79158407737. The reversal of 79158407697 is 79670485197.

79158407697 is a `hidden beast` number, since 7 + 91 + 58 + 407 + 6 + 97 = 666.

It is not a de Polignac number, because 79158407697 - 2⁴ = 79158407681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79158407197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161653 + ... + 429474.

It is an arithmetic number, because the mean of its divisors is an integer number (9528983360).

Almost surely, 2^79158407697 is an apocalyptic number.

It is an amenable number.

79158407697 is a deficient number, since it is larger than the sum of its proper divisors (35189392623).

79158407697 is a wasteful number, since it uses less digits than its factorization.

79158407697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606012 (or 606009 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 63.

The spelling of 79158407697 in words is "seventy-nine billion, one hundred fifty-eight million, four hundred seven thousand, six hundred ninety-seven".