82499370939 has 16 divisors (see below), whose sum is σ = 125202299040. Its totient is φ = 53658126720.

The previous prime is 82499370917. The next prime is 82499370959. The reversal of 82499370939 is 93907399428.

82499370939 is a `hidden beast` number, since 82 + 499 + 37 + 0 + 9 + 39 = 666.

It is not a de Polignac number, because 82499370939 - 2⁸ = 82499370683 is a prime.

It is a super-2 number, since 2×82499370939² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82499370959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37261482 + ... + 37263695.

It is an arithmetic number, because the mean of its divisors is an integer number (7825143690).

Almost surely, 2^82499370939 is an apocalyptic number.

82499370939 is a deficient number, since it is larger than the sum of its proper divisors (42702928101).

82499370939 is a wasteful number, since it uses less digits than its factorization.

82499370939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74525227 (or 74525221 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 82499370939 in words is "eighty-two billion, four hundred ninety-nine million, three hundred seventy thousand, nine hundred thirty-nine".