818925086 has 16 divisors (see below), whose sum is σ = 1433742336. Its totient is φ = 343500216.

The previous prime is 818925059. The next prime is 818925089. The reversal of 818925086 is 680529818.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 818925086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818925089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621626 + ... + 622941.

It is an arithmetic number, because the mean of its divisors is an integer number (89608896).

Almost surely, 2^818925086 is an apocalyptic number.

818925086 is a deficient number, since it is larger than the sum of its proper divisors (614817250).

818925086 is a wasteful number, since it uses less digits than its factorization.

818925086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244623.

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 818925086 is about 28616.8671590725. The cubic root of 818925086 is about 935.5809961043.

The spelling of 818925086 in words is "eight hundred eighteen million, nine hundred twenty-five thousand, eighty-six".