7927996728964 has 24 divisors (see below), whose sum is σ = 15036391655768. Its totient is φ = 3635769196800.

The previous prime is 7927996728923. The next prime is 7927996729021. The reversal of 7927996728964 is 4698276997297.

It can be written as a sum of positive squares in 4 ways, for example, as 312648722500 + 7615348006464 = 559150^2 + 2759592^2 .

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, 485537937 + ... + 485554264.

Almost surely, 2^{7927996728964} is an apocalyptic number.

It is an amenable number.

7927996728964 is a deficient number, since it is larger than the sum of its proper divisors (7108394926804).

7927996728964 is a wasteful number, since it uses less digits than its factorization.

7927996728964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971092375 (or 971092373 counting only the distinct ones).

The product of its digits is 10369949184, while the sum is 85.

The spelling of 7927996728964 in words is "seven trillion, nine hundred twenty-seven billion, nine hundred ninety-six million, seven hundred twenty-eight thousand, nine hundred sixty-four".