769557697 has 2 divisors, whose sum is σ = 769557698. Its totient is φ = 769557696.

The previous prime is 769557689. The next prime is 769557707. The reversal of 769557697 is 796755967.

769557697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 595555216 + 174002481 = 24404^2 + 13191^2 .

It is a cyclic number.

It is not a de Polignac number, because 769557697 - 2³ = 769557689 is a prime.

It is a super-4 number, since 4×769557697⁴ (a number of 37 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (769557617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384778848 + 384778849.

It is an arithmetic number, because the mean of its divisors is an integer number (384778849).

Almost surely, 2^769557697 is an apocalyptic number.

It is an amenable number.

769557697 is a deficient number, since it is larger than the sum of its proper divisors (1).

769557697 is an equidigital number, since it uses as much as digits as its factorization.

769557697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25004700, while the sum is 61.

The square root of 769557697 is about 27740.9029593487. The cubic root of 769557697 is about 916.3901140986.

The spelling of 769557697 in words is "seven hundred sixty-nine million, five hundred fifty-seven thousand, six hundred ninety-seven".