770974691 has 2 divisors, whose sum is σ = 770974692. Its totient is φ = 770974690.

The previous prime is 770974679. The next prime is 770974739. The reversal of 770974691 is 196479077.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (196479077) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 770974691 - 2⁶ = 770974627 is a prime.

It is not a weakly prime, because it can be changed into another prime (770974601) 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, 385487345 + 385487346.

It is an arithmetic number, because the mean of its divisors is an integer number (385487346).

Almost surely, 2^770974691 is an apocalyptic number.

770974691 is a deficient number, since it is larger than the sum of its proper divisors (1).

770974691 is an equidigital number, since it uses as much as digits as its factorization.

770974691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 666792, while the sum is 50.

The square root of 770974691 is about 27766.4310094041. The cubic root of 770974691 is about 916.9522218827.

The spelling of 770974691 in words is "seven hundred seventy million, nine hundred seventy-four thousand, six hundred ninety-one".