13787884536 has 64 divisors (see below), whose sum is σ = 35849625600. Its totient is φ = 4415119488.

The previous prime is 13787884447. The next prime is 13787884549. The reversal of 13787884536 is 63548878731.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13787884536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28120 + ... + 168423.

It is an arithmetic number, because the mean of its divisors is an integer number (560150400).

Almost surely, 2^13787884536 is an apocalyptic number.

It is an amenable number.

13787884536 is an abundant number, since it is smaller than the sum of its proper divisors (22061741064).

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

13787884536 is a wasteful number, since it uses less digits than its factorization.

13787884536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196668 (or 196664 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 60.

The spelling of 13787884536 in words is "thirteen billion, seven hundred eighty-seven million, eight hundred eighty-four thousand, five hundred thirty-six".