82765825 has 12 divisors (see below), whose sum is σ = 104814720. Its totient is φ = 64802960.

The previous prime is 82765777. The next prime is 82765829. The reversal of 82765825 is 52856728.

It is not a de Polignac number, because 82765825 - 2⁹ = 82765313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82765829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34045 + ... + 36394.

It is an arithmetic number, because the mean of its divisors is an integer number (8734560).

Almost surely, 2^82765825 is an apocalyptic number.

It is an amenable number.

82765825 is a deficient number, since it is larger than the sum of its proper divisors (22048895).

82765825 is a wasteful number, since it uses less digits than its factorization.

82765825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70496 (or 70491 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 82765825 is about 9097.5724784142. The cubic root of 82765825 is about 435.7964446240.

The spelling of 82765825 in words is "eighty-two million, seven hundred sixty-five thousand, eight hundred twenty-five".