18627039676 has 24 divisors (see below), whose sum is σ = 37258260480. Its totient is φ = 7982121072.

The previous prime is 18627039649. The next prime is 18627039679. The reversal of 18627039676 is 67693072681.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18627039679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257445 + ... + 321763.

It is an arithmetic number, because the mean of its divisors is an integer number (1552427520).

Almost surely, 2^18627039676 is an apocalyptic number.

It is an amenable number.

18627039676 is an abundant number, since it is smaller than the sum of its proper divisors (18631220804).

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

18627039676 is a wasteful number, since it uses less digits than its factorization.

18627039676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74673 (or 74671 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 18627039676 in words is "eighteen billion, six hundred twenty-seven million, thirty-nine thousand, six hundred seventy-six".