13577939687 has 8 divisors (see below), whose sum is σ = 14669117904. Its totient is φ = 12493435968.

The previous prime is 13577939653. The next prime is 13577939699. The reversal of 13577939687 is 78693977531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13577939687 - 2¹⁰ = 13577938663 is a prime.

It is a super-2 number, since 2×13577939687² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13577939887) 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, 1664393 + ... + 1672530.

It is an arithmetic number, because the mean of its divisors is an integer number (1833639738).

Almost surely, 2^13577939687 is an apocalyptic number.

13577939687 is a deficient number, since it is larger than the sum of its proper divisors (1091178217).

13577939687 is a wasteful number, since it uses less digits than its factorization.

13577939687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337249.

The product of its digits is 60011280, while the sum is 65.

The spelling of 13577939687 in words is "thirteen billion, five hundred seventy-seven million, nine hundred thirty-nine thousand, six hundred eighty-seven".