18460285977 has 64 divisors (see below), whose sum is σ = 28960081920. Its totient is φ = 10242892800.

The previous prime is 18460285969. The next prime is 18460286003. The reversal of 18460285977 is 77958206481.

It is not a de Polignac number, because 18460285977 - 2³ = 18460285969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18460285937) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63004243 + ... + 63004535.

It is an arithmetic number, because the mean of its divisors is an integer number (452501280).

Almost surely, 2^18460285977 is an apocalyptic number.

It is an amenable number.

18460285977 is a deficient number, since it is larger than the sum of its proper divisors (10499795943).

18460285977 is a wasteful number, since it uses less digits than its factorization.

18460285977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 18460285977 in words is "eighteen billion, four hundred sixty million, two hundred eighty-five thousand, nine hundred seventy-seven".