79841715 has 16 divisors (see below), whose sum is σ = 127968000. Its totient is φ = 42508512.

The previous prime is 79841711. The next prime is 79841747. The reversal of 79841715 is 51714897.

It is not a de Polignac number, because 79841715 - 2² = 79841711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79841711) 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, 4986 + ... + 13584.

It is an arithmetic number, because the mean of its divisors is an integer number (7998000).

Almost surely, 2^79841715 is an apocalyptic number.

79841715 is a deficient number, since it is larger than the sum of its proper divisors (48126285).

79841715 is a wasteful number, since it uses less digits than its factorization.

79841715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9226.

The product of its digits is 70560, while the sum is 42.

The square root of 79841715 is about 8935.4191283901. The cubic root of 79841715 is about 430.6025714658.

The spelling of 79841715 in words is "seventy-nine million, eight hundred forty-one thousand, seven hundred fifteen".