82551912 has 16 divisors (see below), whose sum is σ = 206379840. Its totient is φ = 27517296.

The previous prime is 82551841. The next prime is 82551923. The reversal of 82551912 is 21915528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719808 + ... + 1719855.

It is an arithmetic number, because the mean of its divisors is an integer number (12898740).

Almost surely, 2^82551912 is an apocalyptic number.

It is an amenable number.

82551912 is an abundant number, since it is smaller than the sum of its proper divisors (123827928).

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

82551912 is a wasteful number, since it uses less digits than its factorization.

82551912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439672 (or 3439668 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

The square root of 82551912 is about 9085.8082744465. The cubic root of 82551912 is about 435.4206737735.

The spelling of 82551912 in words is "eighty-two million, five hundred fifty-one thousand, nine hundred twelve".