18868230776 has 32 divisors (see below), whose sum is σ = 37744969680. Its totient is φ = 8811379200.

The previous prime is 18868230761. The next prime is 18868230811. The reversal of 18868230776 is 67703286881.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511715 + ... + 547346.

Almost surely, 2^18868230776 is an apocalyptic number.

It is an amenable number.

18868230776 is an abundant number, since it is smaller than the sum of its proper divisors (18876738904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18868230776 is a wasteful number, since it uses less digits than its factorization.

18868230776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059215 (or 1059211 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 56.

The spelling of 18868230776 in words is "eighteen billion, eight hundred sixty-eight million, two hundred thirty thousand, seven hundred seventy-six".