13777696408 has 32 divisors (see below), whose sum is σ = 30080691360. Its totient is φ = 5793315840.

The previous prime is 13777696321. The next prime is 13777696411. The reversal of 13777696408 is 80469677731.

It is a super-2 number, since 2×13777696408² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2318073 + ... + 2324008.

It is an arithmetic number, because the mean of its divisors is an integer number (940021605).

Almost surely, 2^13777696408 is an apocalyptic number.

It is an amenable number.

13777696408 is an abundant number, since it is smaller than the sum of its proper divisors (16302994952).

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

13777696408 is a wasteful number, since it uses less digits than its factorization.

13777696408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642147 (or 4642143 counting only the distinct ones).

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 13777696408 in words is "thirteen billion, seven hundred seventy-seven million, six hundred ninety-six thousand, four hundred eight".