82995864 has 32 divisors (see below), whose sum is σ = 237131520. Its totient is φ = 23713056.

The previous prime is 82995859. The next prime is 82995877. The reversal of 82995864 is 46859928.

It is a super-2 number, since 2×82995864² = 13776626882212992, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 246844 + ... + 247179.

It is an arithmetic number, because the mean of its divisors is an integer number (7410360).

Almost surely, 2^82995864 is an apocalyptic number.

82995864 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

82995864 is an abundant number, since it is smaller than the sum of its proper divisors (154135656).

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

82995864 is a wasteful number, since it uses less digits than its factorization.

82995864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494039 (or 494035 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 82995864 is about 9110.2065838267. The cubic root of 82995864 is about 436.1998214330.

The spelling of 82995864 in words is "eighty-two million, nine hundred ninety-five thousand, eight hundred sixty-four".