3977394288 has 60 divisors (see below), whose sum is σ = 11952482760. Its totient is φ = 1136397696.

The previous prime is 3977394259. The next prime is 3977394293. The reversal of 3977394288 is 8824937793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 843183 + ... + 847886.

It is an arithmetic number, because the mean of its divisors is an integer number (199208046).

Almost surely, 2^3977394288 is an apocalyptic number.

It is an amenable number.

3977394288 is an abundant number, since it is smaller than the sum of its proper divisors (7975088472).

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

3977394288 is a wasteful number, since it uses less digits than its factorization.

3977394288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691094 (or 1691081 counting only the distinct ones).

The product of its digits is 18289152, while the sum is 60.

The square root of 3977394288 is about 63066.5861451213. The cubic root of 3977394288 is about 1584.4050400274.

The spelling of 3977394288 in words is "three billion, nine hundred seventy-seven million, three hundred ninety-four thousand, two hundred eighty-eight".