18770923108 has 12 divisors (see below), whose sum is σ = 37541846272. Its totient is φ = 8044681320.

The previous prime is 18770923091. The next prime is 18770923159. The reversal of 18770923108 is 80132907781.

18770923108 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335195028 + ... + 335195083.

Almost surely, 2^18770923108 is an apocalyptic number.

It is an amenable number.

18770923108 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18770923108 is a wasteful number, since it uses less digits than its factorization.

18770923108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670390122 (or 670390120 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

It can be divided in two parts, 18770 and 923108, that added together give a triangular number (941878 = T₁₃₇₂).

The spelling of 18770923108 in words is "eighteen billion, seven hundred seventy million, nine hundred twenty-three thousand, one hundred eight".