82999944 has 32 divisors (see below), whose sum is σ = 230556000. Its totient is φ = 27666576.

The previous prime is 82999937. The next prime is 82999981. The reversal of 82999944 is 44999928.

82999944 = 972² + 973² + ... + 1052².

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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, 191914 + ... + 192345.

It is an arithmetic number, because the mean of its divisors is an integer number (7204875).

Almost surely, 2^82999944 is an apocalyptic number.

It is an amenable number.

82999944 is an abundant number, since it is smaller than the sum of its proper divisors (147556056).

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

82999944 is a wasteful number, since it uses less digits than its factorization.

82999944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384274 (or 384264 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 82999944 is about 9110.4305057445. The cubic root of 82999944 is about 436.2069690427.

The spelling of 82999944 in words is "eighty-two million, nine hundred ninety-nine thousand, nine hundred forty-four".