18786086086 has 16 divisors (see below), whose sum is σ = 28458293760. Its totient is φ = 9300085960.

The previous prime is 18786086063. The next prime is 18786086171. The reversal of 18786086086 is 68068068781.

It is a self number, because there is not a number n which added to its sum of digits gives 18786086086.

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, 376935 + ... + 423853.

It is an arithmetic number, because the mean of its divisors is an integer number (1778643360).

Almost surely, 2^18786086086 is an apocalyptic number.

18786086086 is a deficient number, since it is larger than the sum of its proper divisors (9672207674).

18786086086 is a wasteful number, since it uses less digits than its factorization.

18786086086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48899.

The product of its (nonzero) digits is 6193152, while the sum is 58.

The spelling of 18786086086 in words is "eighteen billion, seven hundred eighty-six million, eighty-six thousand, eighty-six".