3977925132 has 48 divisors (see below), whose sum is σ = 9938285280. Its totient is φ = 1233948672.

The previous prime is 3977925131. The next prime is 3977925179. The reversal of 3977925132 is 2315297793.

It is not an unprimeable number, because it can be changed into a prime (3977925131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91393 + ... + 127704.

It is an arithmetic number, because the mean of its divisors is an integer number (207047610).

Almost surely, 2^3977925132 is an apocalyptic number.

It is an amenable number.

3977925132 is an abundant number, since it is smaller than the sum of its proper divisors (5960360148).

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

3977925132 is a wasteful number, since it uses less digits than its factorization.

3977925132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219210 (or 219208 counting only the distinct ones).

The product of its digits is 714420, while the sum is 48.

The square root of 3977925132 is about 63070.7946041589. The cubic root of 3977925132 is about 1584.4755245735.

The spelling of 3977925132 in words is "three billion, nine hundred seventy-seven million, nine hundred twenty-five thousand, one hundred thirty-two".