13887976426 has 8 divisors (see below), whose sum is σ = 21737702304. Its totient is φ = 6642075660.

The previous prime is 13887976391. The next prime is 13887976439. The reversal of 13887976426 is 62467978831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150956220 + ... + 150956311.

It is an arithmetic number, because the mean of its divisors is an integer number (2717212788).

Almost surely, 2^13887976426 is an apocalyptic number.

13887976426 is a deficient number, since it is larger than the sum of its proper divisors (7849725878).

13887976426 is a wasteful number, since it uses less digits than its factorization.

13887976426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301912556.

The product of its digits is 24385536, while the sum is 61.

The spelling of 13887976426 in words is "thirteen billion, eight hundred eighty-seven million, nine hundred seventy-six thousand, four hundred twenty-six".