18068476775 has 24 divisors (see below), whose sum is σ = 23770291104. Its totient is φ = 13577292800.

The previous prime is 18068476747. The next prime is 18068476787. The reversal of 18068476775 is 57767486081.

It is not a de Polignac number, because 18068476775 - 2⁸ = 18068476519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171515 + ... + 256035.

It is an arithmetic number, because the mean of its divisors is an integer number (990428796).

Almost surely, 2^18068476775 is an apocalyptic number.

18068476775 is a deficient number, since it is larger than the sum of its proper divisors (5701814329).

18068476775 is a wasteful number, since it uses less digits than its factorization.

18068476775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85051 (or 85046 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 59.

The spelling of 18068476775 in words is "eighteen billion, sixty-eight million, four hundred seventy-six thousand, seven hundred seventy-five".