13877388660 has 96 divisors (see below), whose sum is σ = 41191742592. Its totient is φ = 3478773760.

The previous prime is 13877388659. The next prime is 13877388661. The reversal of 13877388660 is 6688377831.

It is an interprime number because it is at equal distance from previous prime (13877388659) and next prime (13877388661).

It is a self number, because there is not a number n which added to its sum of digits gives 13877388660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13877388661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 890899 + ... + 906341.

It is an arithmetic number, because the mean of its divisors is an integer number (429080652).

Almost surely, 2^13877388660 is an apocalyptic number.

13877388660 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 13877388660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20595871296).

13877388660 is an abundant number, since it is smaller than the sum of its proper divisors (27314353932).

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

13877388660 is a wasteful number, since it uses less digits than its factorization.

13877388660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16353 (or 16351 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 13877388660 in words is "thirteen billion, eight hundred seventy-seven million, three hundred eighty-eight thousand, six hundred sixty".