13971772080 has 160 divisors (see below), whose sum is σ = 55000051200. Its totient is φ = 3193544448.

The previous prime is 13971772069. The next prime is 13971772093. The reversal of 13971772080 is 8027717931.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446910 + ... + 477149.

It is an arithmetic number, because the mean of its divisors is an integer number (343750320).

Almost surely, 2^13971772080 is an apocalyptic number.

13971772080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13971772080 is an abundant number, since it is smaller than the sum of its proper divisors (41028279120).

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

13971772080 is a wasteful number, since it uses less digits than its factorization.

13971772080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924088 (or 924076 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The spelling of 13971772080 in words is "thirteen billion, nine hundred seventy-one million, seven hundred seventy-two thousand, eighty".