13781880892 has 96 divisors (see below), whose sum is σ = 27845233920. Its totient is φ = 5912448000.

The previous prime is 13781880857. The next prime is 13781880901. The reversal of 13781880892 is 29808818731.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 39717063 + ... + 39717409.

It is an arithmetic number, because the mean of its divisors is an integer number (290054520).

Almost surely, 2^13781880892 is an apocalyptic number.

It is an amenable number.

13781880892 is an abundant number, since it is smaller than the sum of its proper divisors (14063353028).

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

13781880892 is a wasteful number, since it uses less digits than its factorization.

13781880892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 55.

The spelling of 13781880892 in words is "thirteen billion, seven hundred eighty-one million, eight hundred eighty thousand, eight hundred ninety-two".