82159713 has 24 divisors (see below), whose sum is σ = 124046208. Its totient is φ = 52349472.

The previous prime is 82159681. The next prime is 82159723. The reversal of 82159713 is 31795128.

It is not a de Polignac number, because 82159713 - 2⁵ = 82159681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82159723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15931 + ... + 20447.

It is an arithmetic number, because the mean of its divisors is an integer number (5168592).

Almost surely, 2^82159713 is an apocalyptic number.

It is an amenable number.

82159713 is a deficient number, since it is larger than the sum of its proper divisors (41886495).

82159713 is a wasteful number, since it uses less digits than its factorization.

82159713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613 (or 4610 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 82159713 is about 9064.1995233997. The cubic root of 82159713 is about 434.7300266948.

The spelling of 82159713 in words is "eighty-two million, one hundred fifty-nine thousand, seven hundred thirteen".