82611897575 has 12 divisors (see below), whose sum is σ = 102766043088. Its totient is φ = 65878363200.

The previous prime is 82611897569. The next prime is 82611897607. The reversal of 82611897575 is 57579811628.

It is not a de Polignac number, because 82611897575 - 2²⁴ = 82595120359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5270891 + ... + 5286540.

It is an arithmetic number, because the mean of its divisors is an integer number (8563836924).

Almost surely, 2^82611897575 is an apocalyptic number.

82611897575 is a deficient number, since it is larger than the sum of its proper divisors (20154145513).

82611897575 is a wasteful number, since it uses less digits than its factorization.

82611897575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557754 (or 10557749 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 59.

The spelling of 82611897575 in words is "eighty-two billion, six hundred eleven million, eight hundred ninety-seven thousand, five hundred seventy-five".