755809769 has 16 divisors (see below), whose sum is σ = 893289600. Its totient is φ = 630428160.

The previous prime is 755809763. The next prime is 755809799. The reversal of 755809769 is 967908557.

It is a cyclic number.

It is not a de Polignac number, because 755809769 - 2²⁰ = 754761193 is a prime.

It is a super-2 number, since 2×755809769² = 1142496813831666722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (755809763) 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 in 15 ways as a sum of consecutive naturals, for example, 8057 + ... + 39705.

It is an arithmetic number, because the mean of its divisors is an integer number (55830600).

Almost surely, 2^755809769 is an apocalyptic number.

It is an amenable number.

755809769 is a deficient number, since it is larger than the sum of its proper divisors (137479831).

755809769 is a wasteful number, since it uses less digits than its factorization.

755809769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31840.

The product of its (nonzero) digits is 4762800, while the sum is 56.

The square root of 755809769 is about 27491.9946348023. The cubic root of 755809769 is about 910.9002759787.

The spelling of 755809769 in words is "seven hundred fifty-five million, eight hundred nine thousand, seven hundred sixty-nine".