82158764 has 12 divisors (see below), whose sum is σ = 143877888. Its totient is φ = 41050800.

The previous prime is 82158761. The next prime is 82158779. The reversal of 82158764 is 46785128.

It is not an unprimeable number, because it can be changed into a prime (82158761) by changing a digit.

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, 149 + ... + 12819.

It is an arithmetic number, because the mean of its divisors is an integer number (11989824).

Almost surely, 2^82158764 is an apocalyptic number.

It is an amenable number.

82158764 is a deficient number, since it is larger than the sum of its proper divisors (61719124).

82158764 is a wasteful number, since it uses less digits than its factorization.

82158764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14296 (or 14294 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 82158764 is about 9064.1471744450. The cubic root of 82158764 is about 434.7283528802.

The spelling of 82158764 in words is "eighty-two million, one hundred fifty-eight thousand, seven hundred sixty-four".