79451157 has 8 divisors (see below), whose sum is σ = 106042720. Its totient is φ = 52913520.

The previous prime is 79451147. The next prime is 79451159. The reversal of 79451157 is 75115497.

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

It is not a de Polignac number, because 79451157 - 2²³ = 71062549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79451159) 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, 9907 + ... + 16032.

It is an arithmetic number, because the mean of its divisors is an integer number (13255340).

Almost surely, 2^79451157 is an apocalyptic number.

It is an amenable number.

79451157 is a deficient number, since it is larger than the sum of its proper divisors (26591563).

79451157 is a wasteful number, since it uses less digits than its factorization.

79451157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26963.

The product of its digits is 44100, while the sum is 39.

The square root of 79451157 is about 8913.5378498103. The cubic root of 79451157 is about 429.8993039856.

The spelling of 79451157 in words is "seventy-nine million, four hundred fifty-one thousand, one hundred fifty-seven".