18988080795 has 12 divisors (see below), whose sum is σ = 32912673456. Its totient is φ = 10126976400.

The previous prime is 18988080781. The next prime is 18988080799. The reversal of 18988080795 is 59708088981.

It is not a de Polignac number, because 18988080795 - 2⁴ = 18988080779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18988080799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210978631 + ... + 210978720.

It is an arithmetic number, because the mean of its divisors is an integer number (2742722788).

Almost surely, 2^18988080795 is an apocalyptic number.

18988080795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18988080795 is a deficient number, since it is larger than the sum of its proper divisors (13924592661).

18988080795 is a wasteful number, since it uses less digits than its factorization.

18988080795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421957362 (or 421957359 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 63.

The spelling of 18988080795 in words is "eighteen billion, nine hundred eighty-eight million, eighty thousand, seven hundred ninety-five".