18907097080 has 32 divisors (see below), whose sum is σ = 42710477040. Its totient is φ = 7532704000.

The previous prime is 18907097063. The next prime is 18907097117. The reversal of 18907097080 is 8079070981.

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, 931549 + ... + 951628.

Almost surely, 2^18907097080 is an apocalyptic number.

18907097080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18907097080 is an abundant number, since it is smaller than the sum of its proper divisors (23803379960).

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

18907097080 is a wasteful number, since it uses less digits than its factorization.

18907097080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883439 (or 1883435 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 49.

The spelling of 18907097080 in words is "eighteen billion, nine hundred seven million, ninety-seven thousand, eighty".