13987795080 has 256 divisors, whose sum is σ = 49289011200. Its totient is φ = 3109155840.

The previous prime is 13987795051. The next prime is 13987795091. The reversal of 13987795080 is 8059778931.

It is a super-2 number, since 2×13987795080² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13987795080.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9787806 + ... + 9789234.

It is an arithmetic number, because the mean of its divisors is an integer number (192535200).

Almost surely, 2^13987795080 is an apocalyptic number.

13987795080 is a gapful number since it is divisible by the number (10) 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 13987795080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24644505600).

13987795080 is an abundant number, since it is smaller than the sum of its proper divisors (35301216120).

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

13987795080 is a wasteful number, since it uses less digits than its factorization.

13987795080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 13987795080 in words is "thirteen billion, nine hundred eighty-seven million, seven hundred ninety-five thousand, eighty".