13787863788 has 48 divisors (see below), whose sum is σ = 33039982080. Its totient is φ = 4473006144.

The previous prime is 13787863781. The next prime is 13787863819. The reversal of 13787863788 is 88736878731.

It is a super-3 number, since 3×13787863788³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13787863781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32670 + ... + 169242.

It is an arithmetic number, because the mean of its divisors is an integer number (688332960).

Almost surely, 2^13787863788 is an apocalyptic number.

It is an amenable number.

13787863788 is an abundant number, since it is smaller than the sum of its proper divisors (19252118292).

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

13787863788 is a wasteful number, since it uses less digits than its factorization.

13787863788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136806 (or 136804 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 66.

The spelling of 13787863788 in words is "thirteen billion, seven hundred eighty-seven million, eight hundred sixty-three thousand, seven hundred eighty-eight".