3879693961 has 24 divisors (see below), whose sum is σ = 4824260640. Its totient is φ = 3084307200.

The previous prime is 3879693959. The next prime is 3879693991. The reversal of 3879693961 is 1693969783.

3879693961 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3879693961 - 2¹ = 3879693959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3879693961.

It is not an unprimeable number, because it can be changed into a prime (3879693901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19600 + ... + 90241.

It is an arithmetic number, because the mean of its divisors is an integer number (201010860).

Almost surely, 2^3879693961 is an apocalyptic number.

It is an amenable number.

3879693961 is a deficient number, since it is larger than the sum of its proper divisors (944566679).

3879693961 is a wasteful number, since it uses less digits than its factorization.

3879693961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109897 (or 109884 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 61.

The square root of 3879693961 is about 62287.1893811239. The cubic root of 3879693961 is about 1571.3242861227.

The spelling of 3879693961 in words is "three billion, eight hundred seventy-nine million, six hundred ninety-three thousand, nine hundred sixty-one".