13763887640 has 32 divisors (see below), whose sum is σ = 31129224480. Its totient is φ = 5477025792.

The previous prime is 13763887591. The next prime is 13763887681. The reversal of 13763887640 is 4678836731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883724 + ... + 899163.

It is an arithmetic number, because the mean of its divisors is an integer number (972788265).

Almost surely, 2^13763887640 is an apocalyptic number.

13763887640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13763887640 is an abundant number, since it is smaller than the sum of its proper divisors (17365336840).

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

13763887640 is a wasteful number, since it uses less digits than its factorization.

13763887640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783091 (or 1783087 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 13763887640 in words is "thirteen billion, seven hundred sixty-three million, eight hundred eighty-seven thousand, six hundred forty".