18789677676 has 384 divisors, whose sum is σ = 64576512000. Its totient is φ = 4576953600.

The previous prime is 18789677671. The next prime is 18789677693. The reversal of 18789677676 is 67677698781.

It is not an unprimeable number, because it can be changed into a prime (18789677671) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17221891 + ... + 17222981.

It is an arithmetic number, because the mean of its divisors is an integer number (168168000).

Almost surely, 2^18789677676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18789677676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32288256000).

18789677676 is an abundant number, since it is smaller than the sum of its proper divisors (45786834324).

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

18789677676 is a wasteful number, since it uses less digits than its factorization.

18789677676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1242 counting only the distinct ones).

The product of its digits is 298722816, while the sum is 72.

The spelling of 18789677676 in words is "eighteen billion, seven hundred eighty-nine million, six hundred seventy-seven thousand, six hundred seventy-six".