82590915 has 32 divisors (see below), whose sum is σ = 145297152. Its totient is φ = 39728000.

The previous prime is 82590901. The next prime is 82590923. The reversal of 82590915 is 51909528.

It is not a de Polignac number, because 82590915 - 2¹⁰ = 82589891 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19705 + ... + 23525.

It is an arithmetic number, because the mean of its divisors is an integer number (4540536).

Almost surely, 2^82590915 is an apocalyptic number.

82590915 is a deficient number, since it is larger than the sum of its proper divisors (62706237).

82590915 is a wasteful number, since it uses less digits than its factorization.

82590915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3971.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 82590915 is about 9087.9543902905. The cubic root of 82590915 is about 435.4892368479.

The spelling of 82590915 in words is "eighty-two million, five hundred ninety thousand, nine hundred fifteen".