18677270896 has 40 divisors (see below), whose sum is σ = 37554940080. Its totient is φ = 8987736576.

The previous prime is 18677270893. The next prime is 18677270923. The reversal of 18677270896 is 69807277681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18677270893) 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, 80931 + ... + 209533.

It is an arithmetic number, because the mean of its divisors is an integer number (938873502).

Almost surely, 2^18677270896 is an apocalyptic number.

18677270896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18677270896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18777470040).

18677270896 is an abundant number, since it is smaller than the sum of its proper divisors (18877669184).

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

18677270896 is a wasteful number, since it uses less digits than its factorization.

18677270896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128953 (or 128947 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 61.

The spelling of 18677270896 in words is "eighteen billion, six hundred seventy-seven million, two hundred seventy thousand, eight hundred ninety-six".