3127979797 has 16 divisors (see below), whose sum is σ = 3194640000. Its totient is φ = 3062238400.

The previous prime is 3127979773. The next prime is 3127979801. The reversal of 3127979797 is 7979797213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3127979797 is a prime.

It is a super-2 number, since 2×3127979797² = 19568515220880322418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3127979707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5221704 + ... + 5222302.

It is an arithmetic number, because the mean of its divisors is an integer number (199665000).

Almost surely, 2^3127979797 is an apocalyptic number.

It is an amenable number.

3127979797 is a deficient number, since it is larger than the sum of its proper divisors (66660203).

3127979797 is a wasteful number, since it uses less digits than its factorization.

3127979797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its digits is 10501974, while the sum is 61.

The square root of 3127979797 is about 55928.3452016954. The cubic root of 3127979797 is about 1462.4734137130.

The spelling of 3127979797 in words is "three billion, one hundred twenty-seven million, nine hundred seventy-nine thousand, seven hundred ninety-seven".