79976157 has 8 divisors (see below), whose sum is σ = 106810176. Its totient is φ = 53229792.

The previous prime is 79976137. The next prime is 79976167. The reversal of 79976157 is 75167997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79976157 - 2⁸ = 79975901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79976137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19753 + ... + 23454.

It is an arithmetic number, because the mean of its divisors is an integer number (13351272).

Almost surely, 2^79976157 is an apocalyptic number.

It is an amenable number.

79976157 is a deficient number, since it is larger than the sum of its proper divisors (26834019).

79976157 is a wasteful number, since it uses less digits than its factorization.

79976157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43827.

The product of its digits is 833490, while the sum is 51.

The square root of 79976157 is about 8942.9389464538. The cubic root of 79976157 is about 430.8441269311.

The spelling of 79976157 in words is "seventy-nine million, nine hundred seventy-six thousand, one hundred fifty-seven".