82590975999 has 20 divisors (see below), whose sum is σ = 141001878864. Its totient is φ = 47194843104.

The previous prime is 82590975997. The next prime is 82590976003. The reversal of 82590975999 is 99957909528.

82590975999 is a `hidden beast` number, since 8 + 25 + 9 + 0 + 9 + 7 + 599 + 9 = 666.

It is not a de Polignac number, because 82590975999 - 2¹ = 82590975997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82590975991) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72830982 + ... + 72832115.

Almost surely, 2^82590975999 is an apocalyptic number.

82590975999 is a deficient number, since it is larger than the sum of its proper divisors (58410902865).

82590975999 is a wasteful number, since it uses less digits than its factorization.

82590975999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145663116 (or 145663107 counting only the distinct ones).

The product of its (nonzero) digits is 165337200, while the sum is 72.

The spelling of 82590975999 in words is "eighty-two billion, five hundred ninety million, nine hundred seventy-five thousand, nine hundred ninety-nine".