768675613 has 2 divisors, whose sum is σ = 768675614. Its totient is φ = 768675612.

The previous prime is 768675599. The next prime is 768675671. The reversal of 768675613 is 316576867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609991204 + 158684409 = 24698^2 + 12597^2 .

It is a cyclic number.

It is not a de Polignac number, because 768675613 - 2⁵ = 768675581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768675683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384337806 + 384337807.

It is an arithmetic number, because the mean of its divisors is an integer number (384337807).

Almost surely, 2^768675613 is an apocalyptic number.

It is an amenable number.

768675613 is a deficient number, since it is larger than the sum of its proper divisors (1).

768675613 is an equidigital number, since it uses as much as digits as its factorization.

768675613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 768675613 is about 27724.9997835888. Note that the first 3 decimals coincide. The cubic root of 768675613 is about 916.0398513869.

The spelling of 768675613 in words is "seven hundred sixty-eight million, six hundred seventy-five thousand, six hundred thirteen".