82864925 has 36 divisors (see below), whose sum is σ = 121447584. Its totient is φ = 55598400.

The previous prime is 82864897. The next prime is 82864927. The reversal of 82864925 is 52946828.

It is not a de Polignac number, because 82864925 - 2¹² = 82860829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82864927) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 45584 + ... + 47366.

It is an arithmetic number, because the mean of its divisors is an integer number (3373544).

Almost surely, 2^82864925 is an apocalyptic number.

It is an amenable number.

82864925 is a deficient number, since it is larger than the sum of its proper divisors (38582659).

82864925 is a wasteful number, since it uses less digits than its factorization.

82864925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830 (or 1812 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 82864925 is about 9103.0173568988. The cubic root of 82864925 is about 435.9703094699.

The spelling of 82864925 in words is "eighty-two million, eight hundred sixty-four thousand, nine hundred twenty-five".