13087813007776 has 48 divisors (see below), whose sum is σ = 27749341355904. Its totient is φ = 6040385213184.

The previous prime is 13087813007767. The next prime is 13087813007791. The reversal of 13087813007776 is 67770031878031.

It is a self number, because there is not a number n which added to its sum of digits gives 13087813007776.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18220821 + ... + 18925483.

It is an arithmetic number, because the mean of its divisors is an integer number (578111278248).

Almost surely, 2^{13087813007776} is an apocalyptic number.

13087813007776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13087813007776 is an abundant number, since it is smaller than the sum of its proper divisors (14661528348128).

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

13087813007776 is a wasteful number, since it uses less digits than its factorization.

13087813007776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749333 (or 749325 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 58.

The spelling of 13087813007776 in words is "thirteen trillion, eighty-seven billion, eight hundred thirteen million, seven thousand, seven hundred seventy-six".