3979558680 has 64 divisors (see below), whose sum is σ = 12261356640. Its totient is φ = 1032532992.

The previous prime is 3979558637. The next prime is 3979558771. The reversal of 3979558680 is 868559793.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443709 + ... + 452588.

Almost surely, 2^3979558680 is an apocalyptic number.

3979558680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3979558680 is an abundant number, since it is smaller than the sum of its proper divisors (8281797960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3979558680 is a wasteful number, since it uses less digits than its factorization.

3979558680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896348 (or 896344 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The square root of 3979558680 is about 63083.7433892441. The cubic root of 3979558680 is about 1584.6923849148.

The spelling of 3979558680 in words is "three billion, nine hundred seventy-nine million, five hundred fifty-eight thousand, six hundred eighty".