7960870681 has 2 divisors, whose sum is σ = 7960870682. Its totient is φ = 7960870680.

The previous prime is 7960870639. The next prime is 7960870703. The reversal of 7960870681 is 1860780697.

7960870681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6481699081 + 1479171600 = 80509^2 + 38460^2 .

It is an emirp because it is prime and its reverse (1860780697) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7960870681 - 2¹³ = 7960862489 is a prime.

It is a super-2 number, since 2×7960870681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7960870081) 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 as a sum of consecutive naturals, namely, 3980435340 + 3980435341.

It is an arithmetic number, because the mean of its divisors is an integer number (3980435341).

Almost surely, 2^7960870681 is an apocalyptic number.

It is an amenable number.

7960870681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7960870681 is an equidigital number, since it uses as much as digits as its factorization.

7960870681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The square root of 7960870681 is about 89223.7114280728. The cubic root of 7960870681 is about 1996.7338925913.

The spelling of 7960870681 in words is "seven billion, nine hundred sixty million, eight hundred seventy thousand, six hundred eighty-one".