770801069 has 2 divisors, whose sum is σ = 770801070. Its totient is φ = 770801068.

The previous prime is 770800967. The next prime is 770801089. The reversal of 770801069 is 960108077.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 770784169 + 16900 = 27763^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 770801069 - 2⁸ = 770800813 is a prime.

It is a super-2 number, since 2×770801069² = 1188268575943085522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (770801089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385400534 + 385400535.

It is an arithmetic number, because the mean of its divisors is an integer number (385400535).

Almost surely, 2^770801069 is an apocalyptic number.

It is an amenable number.

770801069 is a deficient number, since it is larger than the sum of its proper divisors (1).

770801069 is an equidigital number, since it uses as much as digits as its factorization.

770801069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 770801069 is about 27763.3043602522. The cubic root of 770801069 is about 916.8833847632.

The spelling of 770801069 in words is "seven hundred seventy million, eight hundred one thousand, sixty-nine".