3974892887 has 32 divisors (see below), whose sum is σ = 4839004800. Its totient is φ = 3260624640.

The previous prime is 3974892871. The next prime is 3974892923. The reversal of 3974892887 is 7882984793.

It is not a de Polignac number, because 3974892887 - 2⁴ = 3974892871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974892847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742673 + ... + 748005.

It is an arithmetic number, because the mean of its divisors is an integer number (151218900).

Almost surely, 2^3974892887 is an apocalyptic number.

3974892887 is a deficient number, since it is larger than the sum of its proper divisors (864111913).

3974892887 is an equidigital number, since it uses as much as digits as its factorization.

3974892887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448 (or 5434 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 65.

The square root of 3974892887 is about 63046.7515975248. The cubic root of 3974892887 is about 1584.0728239091.

The spelling of 3974892887 in words is "three billion, nine hundred seventy-four million, eight hundred ninety-two thousand, eight hundred eighty-seven".