82518804 has 48 divisors (see below), whose sum is σ = 221323200. Its totient is φ = 26556768.

The previous prime is 82518803. The next prime is 82518817. The reversal of 82518804 is 40881528.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82518803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10042 + ... + 16305.

It is an arithmetic number, because the mean of its divisors is an integer number (4610900).

Almost surely, 2^82518804 is an apocalyptic number.

It is an amenable number.

82518804 is an abundant number, since it is smaller than the sum of its proper divisors (138804396).

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

82518804 is a wasteful number, since it uses less digits than its factorization.

82518804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26389 (or 26381 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 82518804 is about 9083.9861294478. The cubic root of 82518804 is about 435.3624565259.

The spelling of 82518804 in words is "eighty-two million, five hundred eighteen thousand, eight hundred four".