82180608 has 40 divisors (see below), whose sum is σ = 218938368. Its totient is φ = 27393024.

The previous prime is 82180607. The next prime is 82180621. The reversal of 82180608 is 80608128.

It is not an unprimeable number, because it can be changed into a prime (82180607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25216 + ... + 28287.

Almost surely, 2^82180608 is an apocalyptic number.

It is an amenable number.

82180608 is an abundant number, since it is smaller than the sum of its proper divisors (136757760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82180608 is an equidigital number, since it uses as much as digits as its factorization.

82180608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53524 (or 53508 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 82180608 is about 9065.3520615583. The cubic root of 82180608 is about 434.7668773346.

The spelling of 82180608 in words is "eighty-two million, one hundred eighty thousand, six hundred eight".