14650978872 has 64 divisors (see below), whose sum is σ = 38035008000. Its totient is φ = 4697270144.

The previous prime is 14650978871. The next prime is 14650978889. The reversal of 14650978872 is 27887905641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14650978871) 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, 143029 + ... + 223067.

It is an arithmetic number, because the mean of its divisors is an integer number (594297000).

Almost surely, 2^14650978872 is an apocalyptic number.

14650978872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14650978872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19017504000).

14650978872 is an abundant number, since it is smaller than the sum of its proper divisors (23384029128).

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

14650978872 is a wasteful number, since it uses less digits than its factorization.

14650978872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80340 (or 80336 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 14650978872 in words is "fourteen billion, six hundred fifty million, nine hundred seventy-eight thousand, eight hundred seventy-two".