3977847532 has 12 divisors (see below), whose sum is σ = 6962375056. Its totient is φ = 1988597520.

The previous prime is 3977847469. The next prime is 3977847547. The reversal of 3977847532 is 2357487793.

3977847532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53019 + ... + 103762.

Almost surely, 2^3977847532 is an apocalyptic number.

It is an amenable number.

3977847532 is a deficient number, since it is larger than the sum of its proper divisors (2984527524).

3977847532 is a wasteful number, since it uses less digits than its factorization.

3977847532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163128 (or 163126 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 55.

The square root of 3977847532 is about 63070.1794194372. The cubic root of 3977847532 is about 1584.4652213714.

The spelling of 3977847532 in words is "three billion, nine hundred seventy-seven million, eight hundred forty-seven thousand, five hundred thirty-two".