82199274975 has 36 divisors (see below), whose sum is σ = 147244110000. Its totient is φ = 43834826880.

The previous prime is 82199274931. The next prime is 82199275031. The reversal of 82199274975 is 57947299128.

It is not a de Polignac number, because 82199274975 - 2¹⁹ = 82198750687 is a prime.

It is a super-2 number, since 2×82199274975² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3193206 + ... + 3218844.

Almost surely, 2^82199274975 is an apocalyptic number.

82199274975 is a deficient number, since it is larger than the sum of its proper divisors (65044835025).

82199274975 is a wasteful number, since it uses less digits than its factorization.

82199274975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39904 (or 39896 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The spelling of 82199274975 in words is "eighty-two billion, one hundred ninety-nine million, two hundred seventy-four thousand, nine hundred seventy-five".