13387863966 has 16 divisors (see below), whose sum is σ = 27939890304. Its totient is φ = 4268594264.

The previous prime is 13387863911. The next prime is 13387863967. The reversal of 13387863966 is 66936878331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13387863967) 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, 48506616 + ... + 48506891.

It is an arithmetic number, because the mean of its divisors is an integer number (1746243144).

Almost surely, 2^13387863966 is an apocalyptic number.

13387863966 is an abundant number, since it is smaller than the sum of its proper divisors (14552026338).

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

13387863966 is a wasteful number, since it uses less digits than its factorization.

13387863966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97013535.

The product of its digits is 23514624, while the sum is 60.

The spelling of 13387863966 in words is "thirteen billion, three hundred eighty-seven million, eight hundred sixty-three thousand, nine hundred sixty-six".