818838874 has 16 divisors (see below), whose sum is σ = 1413023616. Its totient is φ = 348606000.

The previous prime is 818838863. The next prime is 818838899. The reversal of 818838874 is 478838818.

It is an unprimeable number.

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, 191557 + ... + 195784.

It is an arithmetic number, because the mean of its divisors is an integer number (88313976).

Almost surely, 2^818838874 is an apocalyptic number.

818838874 is a deficient number, since it is larger than the sum of its proper divisors (594184742).

818838874 is a wasteful number, since it uses less digits than its factorization.

818838874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387501.

The product of its digits is 2752512, while the sum is 55.

The square root of 818838874 is about 28615.3608049942. The cubic root of 818838874 is about 935.5481639846.

The spelling of 818838874 in words is "eight hundred eighteen million, eight hundred thirty-eight thousand, eight hundred seventy-four".