18775095807 has 16 divisors (see below), whose sum is σ = 26961737600. Its totient is φ = 11552779872.

The previous prime is 18775095743. The next prime is 18775095809. The reversal of 18775095807 is 70859057781.

It is not a de Polignac number, because 18775095807 - 2⁶ = 18775095743 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18775095809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576444 + ... + 608142.

It is an arithmetic number, because the mean of its divisors is an integer number (1685108600).

Almost surely, 2^18775095807 is an apocalyptic number.

18775095807 is a deficient number, since it is larger than the sum of its proper divisors (8186641793).

18775095807 is a wasteful number, since it uses less digits than its factorization.

18775095807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46902.

The product of its (nonzero) digits is 4939200, while the sum is 57.

The spelling of 18775095807 in words is "eighteen billion, seven hundred seventy-five million, ninety-five thousand, eight hundred seven".