13781087882 has 24 divisors (see below), whose sum is σ = 22288735008. Its totient is φ = 6378323160.

The previous prime is 13781087869. The next prime is 13781087897. The reversal of 13781087882 is 28878018731.

It is a super-2 number, since 2×13781087882² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111668 + ... + 200079.

It is an arithmetic number, because the mean of its divisors is an integer number (928697292).

Almost surely, 2^13781087882 is an apocalyptic number.

13781087882 is a deficient number, since it is larger than the sum of its proper divisors (8507647126).

13781087882 is a wasteful number, since it uses less digits than its factorization.

13781087882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311834 (or 311803 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 53.

The spelling of 13781087882 in words is "thirteen billion, seven hundred eighty-one million, eighty-seven thousand, eight hundred eighty-two".