15938943879 has 32 divisors (see below), whose sum is σ = 22056805120. Its totient is φ = 10230105600.

The previous prime is 15938943847. The next prime is 15938943883. The reversal of 15938943879 is 97834983951.

It is not a de Polignac number, because 15938943879 - 2⁵ = 15938943847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15938943809) 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 in 31 ways as a sum of consecutive naturals, for example, 5105439 + ... + 5108559.

It is an arithmetic number, because the mean of its divisors is an integer number (689275160).

Almost surely, 2^15938943879 is an apocalyptic number.

15938943879 is a deficient number, since it is larger than the sum of its proper divisors (6117861241).

15938943879 is a wasteful number, since it uses less digits than its factorization.

15938943879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631.

The product of its digits is 58786560, while the sum is 66.

The spelling of 15938943879 in words is "fifteen billion, nine hundred thirty-eight million, nine hundred forty-three thousand, eight hundred seventy-nine".