770552307691 has 2 divisors, whose sum is σ = 770552307692. Its totient is φ = 770552307690.

The previous prime is 770552307683. The next prime is 770552307709. The reversal of 770552307691 is 196703255077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 770552307691 - 2³ = 770552307683 is a prime.

It is not a weakly prime, because it can be changed into another prime (770552307611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385276153845 + 385276153846.

It is an arithmetic number, because the mean of its divisors is an integer number (385276153846).

Almost surely, 2^770552307691 is an apocalyptic number.

770552307691 is a deficient number, since it is larger than the sum of its proper divisors (1).

770552307691 is an equidigital number, since it uses as much as digits as its factorization.

770552307691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2778300, while the sum is 52.

The spelling of 770552307691 in words is "seven hundred seventy billion, five hundred fifty-two million, three hundred seven thousand, six hundred ninety-one".