79714857 has 16 divisors (see below), whose sum is σ = 109985792. Its totient is φ = 51302160.

The previous prime is 79714829. The next prime is 79714879. The reversal of 79714857 is 75841797.

It is not a de Polignac number, because 79714857 - 2⁶ = 79714793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79714057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50088 + ... + 51654.

It is an arithmetic number, because the mean of its divisors is an integer number (6874112).

Almost surely, 2^79714857 is an apocalyptic number.

It is an amenable number.

79714857 is a deficient number, since it is larger than the sum of its proper divisors (30270935).

79714857 is a wasteful number, since it uses less digits than its factorization.

79714857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148.

The product of its digits is 493920, while the sum is 48.

The square root of 79714857 is about 8928.3177026806. The cubic root of 79714857 is about 430.3743935956.

The spelling of 79714857 in words is "seventy-nine million, seven hundred fourteen thousand, eight hundred fifty-seven".