918814868 has 24 divisors (see below), whose sum is σ = 1625488200. Its totient is φ = 454416768.

The previous prime is 918814843. The next prime is 918814873. The reversal of 918814868 is 868418819.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29463184 + 889351684 = 5428^2 + 29822^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140618 + ... + 147006.

It is an arithmetic number, because the mean of its divisors is an integer number (67728675).

Almost surely, 2^918814868 is an apocalyptic number.

It is an amenable number.

918814868 is a deficient number, since it is larger than the sum of its proper divisors (706673332).

918814868 is a wasteful number, since it uses less digits than its factorization.

918814868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6779 (or 6777 counting only the distinct ones).

The product of its digits is 884736, while the sum is 53.

The square root of 918814868 is about 30311.9591580617. The cubic root of 918814868 is about 972.1710213505.

The spelling of 918814868 in words is "nine hundred eighteen million, eight hundred fourteen thousand, eight hundred sixty-eight".