13887502000 has 40 divisors (see below), whose sum is σ = 33579984672. Its totient is φ = 5555000000.

The previous prime is 13887501941. The next prime is 13887502007. The reversal of 13887502000 is 20578831.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (13887502007) 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, 3469876 + ... + 3473875.

Almost surely, 2^13887502000 is an apocalyptic number.

13887502000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13887502000 is an abundant number, since it is smaller than the sum of its proper divisors (19692482672).

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

13887502000 is an equidigital number, since it uses as much as digits as its factorization.

13887502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943774 (or 6943758 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 13887502000 in words is "thirteen billion, eight hundred eighty-seven million, five hundred two thousand".