18412076977 has 48 divisors (see below), whose sum is σ = 23333191680. Its totient is φ = 14431284000.

The previous prime is 18412076923. The next prime is 18412077017. The reversal of 18412076977 is 77967021481.

It is not a de Polignac number, because 18412076977 - 2⁷ = 18412076849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18412076077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17518102 + ... + 17519152.

It is an arithmetic number, because the mean of its divisors is an integer number (486108160).

Almost surely, 2^18412076977 is an apocalyptic number.

It is an amenable number.

18412076977 is a deficient number, since it is larger than the sum of its proper divisors (4921114703).

18412076977 is a wasteful number, since it uses less digits than its factorization.

18412076977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 18412076977 in words is "eighteen billion, four hundred twelve million, seventy-six thousand, nine hundred seventy-seven".