82900665 has 72 divisors (see below), whose sum is σ = 156147264. Its totient is φ = 42184800.

The previous prime is 82900663. The next prime is 82900669. The reversal of 82900665 is 56600928.

It is not a de Polignac number, because 82900665 - 2¹ = 82900663 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (82900663) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1167580 + ... + 1167650.

It is an arithmetic number, because the mean of its divisors is an integer number (2168712).

Almost surely, 2^82900665 is an apocalyptic number.

It is an amenable number.

82900665 is a deficient number, since it is larger than the sum of its proper divisors (73246599).

82900665 is an equidigital number, since it uses as much as digits as its factorization.

82900665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 82900665 is about 9104.9802306210. The cubic root of 82900665 is about 436.0329790866.

The spelling of 82900665 in words is "eighty-two million, nine hundred thousand, six hundred sixty-five".