18790064088 has 32 divisors (see below), whose sum is σ = 46992960000. Its totient is φ = 6260981408.

The previous prime is 18790064087. The next prime is 18790064099. The reversal of 18790064088 is 88046009781.

It is a super-2 number, since 2×18790064088² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18790064088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18790064087) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 83088 + ... + 210911.

It is an arithmetic number, because the mean of its divisors is an integer number (1468530000).

Almost surely, 2^18790064088 is an apocalyptic number.

It is an amenable number.

18790064088 is an abundant number, since it is smaller than the sum of its proper divisors (28202895912).

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

18790064088 is a wasteful number, since it uses less digits than its factorization.

18790064088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296671 (or 296667 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 18790064088 in words is "eighteen billion, seven hundred ninety million, sixty-four thousand, eighty-eight".