82858506 has 32 divisors (see below), whose sum is σ = 178506240. Its totient is φ = 25555824.

The previous prime is 82858469. The next prime is 82858519. The reversal of 82858506 is 60585828.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3550 + ... + 13353.

It is an arithmetic number, because the mean of its divisors is an integer number (5578320).

Almost surely, 2^82858506 is an apocalyptic number.

82858506 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

82858506 is an abundant number, since it is smaller than the sum of its proper divisors (95647734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82858506 is a wasteful number, since it uses less digits than its factorization.

82858506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16970.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 82858506 is about 9102.6647746690. The cubic root of 82858506 is about 435.9590519297.

The spelling of 82858506 in words is "eighty-two million, eight hundred fifty-eight thousand, five hundred six".