3977433536 has 28 divisors (see below), whose sum is σ = 7896944328. Its totient is φ = 1987652352.

The previous prime is 3977433529. The next prime is 3977433557. The reversal of 3977433536 is 6353347793.

It is a congruent number.

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, 111530 + ... + 142806.

It is an arithmetic number, because the mean of its divisors is an integer number (282033726).

Almost surely, 2^3977433536 is an apocalyptic number.

It is an amenable number.

3977433536 is a deficient number, since it is larger than the sum of its proper divisors (3919510792).

3977433536 is a wasteful number, since it uses less digits than its factorization.

3977433536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33276 (or 33266 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 50.

The square root of 3977433536 is about 63066.8973075416. The cubic root of 3977433536 is about 1584.4102515235.

The spelling of 3977433536 in words is "three billion, nine hundred seventy-seven million, four hundred thirty-three thousand, five hundred thirty-six".