3971322885 has 8 divisors (see below), whose sum is σ = 6354116640. Its totient is φ = 2118038864.

The previous prime is 3971322877. The next prime is 3971322911. The reversal of 3971322885 is 5882231793.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3971322885 - 2³ = 3971322877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132377415 + ... + 132377444.

It is an arithmetic number, because the mean of its divisors is an integer number (794264580).

Almost surely, 2^3971322885 is an apocalyptic number.

It is an amenable number.

3971322885 is a deficient number, since it is larger than the sum of its proper divisors (2382793755).

3971322885 is a wasteful number, since it uses less digits than its factorization.

3971322885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264754867.

The product of its digits is 725760, while the sum is 48.

The square root of 3971322885 is about 63018.4328986369. The cubic root of 3971322885 is about 1583.5984432412.

The spelling of 3971322885 in words is "three billion, nine hundred seventy-one million, three hundred twenty-two thousand, eight hundred eighty-five".