14989975788 has 24 divisors (see below), whose sum is σ = 35549998960. Its totient is φ = 4914745920.

The previous prime is 14989975787. The next prime is 14989975799. The reversal of 14989975788 is 88757998941.

It is not an unprimeable number, because it can be changed into a prime (14989975783) 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, 10238323 + ... + 10239786.

Almost surely, 2^14989975788 is an apocalyptic number.

It is an amenable number.

14989975788 is an abundant number, since it is smaller than the sum of its proper divisors (20560023172).

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

14989975788 is a wasteful number, since it uses less digits than its factorization.

14989975788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478177 (or 20478175 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 75.

The spelling of 14989975788 in words is "fourteen billion, nine hundred eighty-nine million, nine hundred seventy-five thousand, seven hundred eighty-eight".