18860481875 has 10 divisors (see below), whose sum is σ = 23568058932. Its totient is φ = 15088385000.

The previous prime is 18860481833. The next prime is 18860481877. The reversal of 18860481875 is 57818406881.

It is not a de Polignac number, because 18860481875 - 2⁶ = 18860481811 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18860481875.

It is not an unprimeable number, because it can be changed into a prime (18860481877) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15087761 + ... + 15089010.

Almost surely, 2^18860481875 is an apocalyptic number.

18860481875 is a deficient number, since it is larger than the sum of its proper divisors (4707577057).

18860481875 is an frugal number, since it uses more digits than its factorization.

18860481875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30176791 (or 30176776 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 56.

The spelling of 18860481875 in words is "eighteen billion, eight hundred sixty million, four hundred eighty-one thousand, eight hundred seventy-five".