82972862 has 16 divisors (see below), whose sum is σ = 142356480. Its totient is φ = 35530488.

The previous prime is 82972847. The next prime is 82972873. The reversal of 82972862 is 26827928.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 30023 + ... + 32669.

It is an arithmetic number, because the mean of its divisors is an integer number (8897280).

Almost surely, 2^82972862 is an apocalyptic number.

82972862 is a deficient number, since it is larger than the sum of its proper divisors (59383618).

82972862 is a wasteful number, since it uses less digits than its factorization.

82972862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895.

The product of its digits is 193536, while the sum is 44.

The square root of 82972862 is about 9108.9440661363. The cubic root of 82972862 is about 436.1595206483.

The spelling of 82972862 in words is "eighty-two million, nine hundred seventy-two thousand, eight hundred sixty-two".