82243976 has 16 divisors (see below), whose sum is σ = 154884300. Its totient is φ = 40941504.

The previous prime is 82243957. The next prime is 82243981. The reversal of 82243976 is 67934228.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76143076 + 6100900 = 8726^2 + 2470^2 .

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, 20615 + ... + 24278.

Almost surely, 2^82243976 is an apocalyptic number.

It is an amenable number.

82243976 is a deficient number, since it is larger than the sum of its proper divisors (72640324).

82243976 is a wasteful number, since it uses less digits than its factorization.

82243976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45128 (or 45124 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 82243976 is about 9068.8464536566. The cubic root of 82243976 is about 434.8785956179.

The spelling of 82243976 in words is "eighty-two million, two hundred forty-three thousand, nine hundred seventy-six".