14979423872 has 96 divisors (see below), whose sum is σ = 34852778820. Its totient is φ = 6394085376.

The previous prime is 14979423839. The next prime is 14979423881. The reversal of 14979423872 is 27832497941.

It can be written as a sum of positive squares in 2 ways, for example, as 14889856576 + 89567296 = 122024^2 + 9464^2 .

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1607258 + ... + 1616550.

Almost surely, 2^14979423872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14979423872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17426389410).

14979423872 is an abundant number, since it is smaller than the sum of its proper divisors (19873354948).

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

14979423872 is an equidigital number, since it uses as much as digits as its factorization.

14979423872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578 (or 9559 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The spelling of 14979423872 in words is "fourteen billion, nine hundred seventy-nine million, four hundred twenty-three thousand, eight hundred seventy-two".