768596261 has 2 divisors, whose sum is σ = 768596262. Its totient is φ = 768596260.

The previous prime is 768596243. The next prime is 768596321. The reversal of 768596261 is 162695867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539679361 + 228916900 = 23231^2 + 15130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768596261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (768596201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384298130 + 384298131.

It is an arithmetic number, because the mean of its divisors is an integer number (384298131).

Almost surely, 2^768596261 is an apocalyptic number.

It is an amenable number.

768596261 is a deficient number, since it is larger than the sum of its proper divisors (1).

768596261 is an equidigital number, since it uses as much as digits as its factorization.

768596261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 768596261 is about 27723.5686916385. The cubic root of 768596261 is about 916.0083287287.

The spelling of 768596261 in words is "seven hundred sixty-eight million, five hundred ninety-six thousand, two hundred sixty-one".