18137046877 has 16 divisors (see below), whose sum is σ = 18771528384. Its totient is φ = 17512048000.

The previous prime is 18137046869. The next prime is 18137046883. The reversal of 18137046877 is 77864073181.

It is a happy number.

It is not a de Polignac number, because 18137046877 - 2³ = 18137046869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18137046817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8470227 + ... + 8472367.

It is an arithmetic number, because the mean of its divisors is an integer number (1173220524).

Almost surely, 2^18137046877 is an apocalyptic number.

It is an amenable number.

18137046877 is a deficient number, since it is larger than the sum of its proper divisors (634481507).

18137046877 is a wasteful number, since it uses less digits than its factorization.

18137046877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 18137046877 in words is "eighteen billion, one hundred thirty-seven million, forty-six thousand, eight hundred seventy-seven".