82597215452 has 6 divisors (see below), whose sum is σ = 144545127048. Its totient is φ = 41298607724.

The previous prime is 82597215403. The next prime is 82597215469. The reversal of 82597215452 is 25451279528.

It is a self number, because there is not a number n which added to its sum of digits gives 82597215452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10324651928 + ... + 10324651935.

It is an arithmetic number, because the mean of its divisors is an integer number (24090854508).

Almost surely, 2^82597215452 is an apocalyptic number.

It is an amenable number.

82597215452 is a deficient number, since it is larger than the sum of its proper divisors (61947911596).

82597215452 is a wasteful number, since it uses less digits than its factorization.

82597215452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20649303867 (or 20649303865 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 50.

The spelling of 82597215452 in words is "eighty-two billion, five hundred ninety-seven million, two hundred fifteen thousand, four hundred fifty-two".