82257517995 has 64 divisors (see below), whose sum is σ = 136095590400. Its totient is φ = 42408437760.

The previous prime is 82257517987. The next prime is 82257518003. The reversal of 82257517995 is 59971575228.

It is an interprime number because it is at equal distance from previous prime (82257517987) and next prime (82257518003).

It is not a de Polignac number, because 82257517995 - 2³ = 82257517987 is a prime.

It is a super-3 number, since 3×82257517995³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12020775 + ... + 12027615.

It is an arithmetic number, because the mean of its divisors is an integer number (2126493600).

Almost surely, 2^82257517995 is an apocalyptic number.

82257517995 is a deficient number, since it is larger than the sum of its proper divisors (53838072405).

82257517995 is a wasteful number, since it uses less digits than its factorization.

82257517995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140.

The product of its digits is 15876000, while the sum is 60.

The spelling of 82257517995 in words is "eighty-two billion, two hundred fifty-seven million, five hundred seventeen thousand, nine hundred ninety-five".