13887377886 has 16 divisors (see below), whose sum is σ = 27775911168. Its totient is φ = 4628933400.

The previous prime is 13887377879. The next prime is 13887377887. The reversal of 13887377886 is 68877378831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13887377887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253531 + ... + 303401.

It is an arithmetic number, because the mean of its divisors is an integer number (1735994448).

Almost surely, 2^13887377886 is an apocalyptic number.

13887377886 is an abundant number, since it is smaller than the sum of its proper divisors (13888533282).

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

13887377886 is a wasteful number, since it uses less digits than its factorization.

13887377886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96287.

The product of its digits is 75866112, while the sum is 66.

The spelling of 13887377886 in words is "thirteen billion, eight hundred eighty-seven million, three hundred seventy-seven thousand, eight hundred eighty-six".