18860000471886 has 48 divisors (see below), whose sum is σ = 43880830496640. Its totient is φ = 5388269206320.

The previous prime is 18860000471789. The next prime is 18860000471899. The reversal of 18860000471886 is 68817400006881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3475045 + ... + 7056623.

It is an arithmetic number, because the mean of its divisors is an integer number (914183968680).

Almost surely, 2^{18860000471886} is an apocalyptic number.

18860000471886 is an abundant number, since it is smaller than the sum of its proper divisors (25020830024754).

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

18860000471886 is a wasteful number, since it uses less digits than its factorization.

18860000471886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599509 (or 3599502 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 57.

The spelling of 18860000471886 in words is "eighteen trillion, eight hundred sixty billion, four hundred seventy-one thousand, eight hundred eighty-six".