770964091 has 2 divisors, whose sum is σ = 770964092. Its totient is φ = 770964090.

The previous prime is 770964067. The next prime is 770964107. The reversal of 770964091 is 190469077.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (190469077) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770964091 is a prime.

It is a super-2 number, since 2×770964091² = 1188771259222912562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (770964001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385482045 + 385482046.

It is an arithmetic number, because the mean of its divisors is an integer number (385482046).

Almost surely, 2^770964091 is an apocalyptic number.

770964091 is a deficient number, since it is larger than the sum of its proper divisors (1).

770964091 is an equidigital number, since it uses as much as digits as its factorization.

770964091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 770964091 is about 27766.2401307775. The cubic root of 770964091 is about 916.9480195234.

The spelling of 770964091 in words is "seven hundred seventy million, nine hundred sixty-four thousand, ninety-one".