82550858 has 16 divisors (see below), whose sum is σ = 140370720. Its totient is φ = 36094896.

The previous prime is 82550837. The next prime is 82550863. The reversal of 82550858 is 85805528.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83060 + ... + 84047.

It is an arithmetic number, because the mean of its divisors is an integer number (8773170).

Almost surely, 2^82550858 is an apocalyptic number.

82550858 is a deficient number, since it is larger than the sum of its proper divisors (57819862).

82550858 is a wasteful number, since it uses less digits than its factorization.

82550858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167141.

The product of its (nonzero) digits is 128000, while the sum is 41.

The square root of 82550858 is about 9085.7502717167. The cubic root of 82550858 is about 435.4188206553.

The spelling of 82550858 in words is "eighty-two million, five hundred fifty thousand, eight hundred fifty-eight".