18104877 has 40 divisors (see below), whose sum is σ = 31781376. Its totient is φ = 10054368.

The previous prime is 18104857. The next prime is 18104893. The reversal of 18104877 is 77840181.

It is not a de Polignac number, because 18104877 - 2¹⁰ = 18103853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18104857) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20548 + ... + 21410.

Almost surely, 2^18104877 is an apocalyptic number.

It is an amenable number.

18104877 is a deficient number, since it is larger than the sum of its proper divisors (13676499).

18104877 is an equidigital number, since it uses as much as digits as its factorization.

18104877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 36.

The square root of 18104877 is about 4254.9826086601. The cubic root of 18104877 is about 262.5821457195.

It can be divided in two parts, 18104 and 877, that added together give a palindrome (18981).

The spelling of 18104877 in words is "eighteen million, one hundred four thousand, eight hundred seventy-seven".