7968628873 has 2 divisors, whose sum is σ = 7968628874. Its totient is φ = 7968628872.

The previous prime is 7968628831. The next prime is 7968628879. The reversal of 7968628873 is 3788268697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7631245449 + 337383424 = 87357^2 + 18368^2 .

It is a cyclic number.

It is not a de Polignac number, because 7968628873 - 2⁹ = 7968628361 is a prime.

It is a super-2 number, since 2×7968628873² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7968628879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3984314436 + 3984314437.

It is an arithmetic number, because the mean of its divisors is an integer number (3984314437).

Almost surely, 2^7968628873 is an apocalyptic number.

It is an amenable number.

7968628873 is a deficient number, since it is larger than the sum of its proper divisors (1).

7968628873 is an equidigital number, since it uses as much as digits as its factorization.

7968628873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48771072, while the sum is 64.

The square root of 7968628873 is about 89267.1769073045. The cubic root of 7968628873 is about 1997.3823147735.

The spelling of 7968628873 in words is "seven billion, nine hundred sixty-eight million, six hundred twenty-eight thousand, eight hundred seventy-three".