82905597 has 6 divisors (see below), whose sum is σ = 119752542. Its totient is φ = 55270392.

The previous prime is 82905553. The next prime is 82905601. The reversal of 82905597 is 79550928.

It is a happy number.

82905597 is a `hidden beast` number, since 8 + 2 + 90 + 559 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80892036 + 2013561 = 8994^2 + 1419^2 .

It is not a de Polignac number, because 82905597 - 2⁷ = 82905469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82906597) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4605858 + ... + 4605875.

It is an arithmetic number, because the mean of its divisors is an integer number (19958757).

Almost surely, 2^82905597 is an apocalyptic number.

It is an amenable number.

82905597 is a deficient number, since it is larger than the sum of its proper divisors (36846945).

82905597 is a wasteful number, since it uses less digits than its factorization.

82905597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211739 (or 9211736 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 82905597 is about 9105.2510673786. The cubic root of 82905597 is about 436.0416258689.

The spelling of 82905597 in words is "eighty-two million, nine hundred five thousand, five hundred ninety-seven".