7968012813 has 24 divisors (see below), whose sum is σ = 11556400128. Its totient is φ = 5290339392.

The previous prime is 7968012809. The next prime is 7968012817. The reversal of 7968012813 is 3182108697.

It is an interprime number because it is at equal distance from previous prime (7968012809) and next prime (7968012817).

It is not a de Polignac number, because 7968012813 - 2² = 7968012809 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7968012817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3228606 + ... + 3231072.

It is an arithmetic number, because the mean of its divisors is an integer number (481516672).

Almost surely, 2^7968012813 is an apocalyptic number.

It is an amenable number.

7968012813 is a deficient number, since it is larger than the sum of its proper divisors (3588387315).

7968012813 is a wasteful number, since it uses less digits than its factorization.

7968012813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 7968012813 is about 89263.7261881891. The cubic root of 7968012813 is about 1997.3308404617.

The spelling of 7968012813 in words is "seven billion, nine hundred sixty-eight million, twelve thousand, eight hundred thirteen".