13577377568 has 24 divisors (see below), whose sum is σ = 26733371868. Its totient is φ = 6787949824.

The previous prime is 13577377559. The next prime is 13577377577. The reversal of 13577377568 is 86577377531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13577377559) and next prime (13577377577).

It can be written as a sum of positive squares in 2 ways, for example, as 13011508624 + 565868944 = 114068^2 + 23788^2 .

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, 388130 + ... + 421662.

Almost surely, 2^13577377568 is an apocalyptic number.

It is an amenable number.

13577377568 is a deficient number, since it is larger than the sum of its proper divisors (13155994300).

13577377568 is a wasteful number, since it uses less digits than its factorization.

13577377568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46196 (or 46188 counting only the distinct ones).

The product of its digits is 25930800, while the sum is 59.

The spelling of 13577377568 in words is "thirteen billion, five hundred seventy-seven million, three hundred seventy-seven thousand, five hundred sixty-eight".