3979967679 has 24 divisors (see below), whose sum is σ = 6041992320. Its totient is φ = 2519673552.

The previous prime is 3979967671. The next prime is 3979967681. The reversal of 3979967679 is 9767699793.

It is not a de Polignac number, because 3979967679 - 2³ = 3979967671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979967671) 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, 40389 + ... + 97934.

It is an arithmetic number, because the mean of its divisors is an integer number (251749680).

Almost surely, 2^3979967679 is an apocalyptic number.

3979967679 is a deficient number, since it is larger than the sum of its proper divisors (2062024641).

3979967679 is a wasteful number, since it uses less digits than its factorization.

3979967679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138491 (or 138488 counting only the distinct ones).

The product of its digits is 243045684, while the sum is 72.

The square root of 3979967679 is about 63086.9850206839. The cubic root of 3979967679 is about 1584.7466719560.

The spelling of 3979967679 in words is "three billion, nine hundred seventy-nine million, nine hundred sixty-seven thousand, six hundred seventy-nine".