13387808536879 has 32 divisors (see below), whose sum is σ = 16254465920000. Its totient is φ = 10770855047424.

The previous prime is 13387808536831. The next prime is 13387808536889. The reversal of 13387808536879 is 97863580878331.

It is a cyclic number.

It is not a de Polignac number, because 13387808536879 - 2²⁵ = 13387774982447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13387808536819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 405073147 + ... + 405106195.

It is an arithmetic number, because the mean of its divisors is an integer number (507952060000).

Almost surely, 2^{13387808536879} is an apocalyptic number.

13387808536879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13387808536879 is a deficient number, since it is larger than the sum of its proper divisors (2866657383121).

13387808536879 is a wasteful number, since it uses less digits than its factorization.

13387808536879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61127.

The product of its (nonzero) digits is 1463132160, while the sum is 76.

The spelling of 13387808536879 in words is "thirteen trillion, three hundred eighty-seven billion, eight hundred eight million, five hundred thirty-six thousand, eight hundred seventy-nine".