13947587876 has 6 divisors (see below), whose sum is σ = 24408278790. Its totient is φ = 6973793936.

The previous prime is 13947587869. The next prime is 13947587879. The reversal of 13947587876 is 67878574931.

It can be written as a sum of positive squares in only one way, i.e., 12979133476 + 968454400 = 113926^2 + 31120^2 .

It is not an unprimeable number, because it can be changed into a prime (13947587879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743448481 + ... + 1743448488.

It is an arithmetic number, because the mean of its divisors is an integer number (4068046465).

Almost surely, 2^13947587876 is an apocalyptic number.

It is an amenable number.

13947587876 is a deficient number, since it is larger than the sum of its proper divisors (10460690914).

13947587876 is a wasteful number, since it uses less digits than its factorization.

13947587876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486896973 (or 3486896971 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 65.

The spelling of 13947587876 in words is "thirteen billion, nine hundred forty-seven million, five hundred eighty-seven thousand, eight hundred seventy-six".