13637967828 has 12 divisors (see below), whose sum is σ = 31821924960. Its totient is φ = 4545989272.

The previous prime is 13637967787. The next prime is 13637967887. The reversal of 13637967828 is 82876973631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568248648 + ... + 568248671.

It is an arithmetic number, because the mean of its divisors is an integer number (2651827080).

Almost surely, 2^13637967828 is an apocalyptic number.

It is an amenable number.

13637967828 is an abundant number, since it is smaller than the sum of its proper divisors (18183957132).

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

13637967828 is a wasteful number, since it uses less digits than its factorization.

13637967828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136497326 (or 1136497324 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The spelling of 13637967828 in words is "thirteen billion, six hundred thirty-seven million, nine hundred sixty-seven thousand, eight hundred twenty-eight".