768925769 has 4 divisors (see below), whose sum is σ = 769210260. Its totient is φ = 768641280.

The previous prime is 768925757. The next prime is 768925799. The reversal of 768925769 is 967529867.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 524410000 + 244515769 = 22900^2 + 15637^2 .

It is a cyclic number.

It is not a de Polignac number, because 768925769 - 2²⁸ = 500490313 is a prime.

It is a super-2 number, since 2×768925769² = 1182493676464482722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (768925709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138152 + ... + 143609.

It is an arithmetic number, because the mean of its divisors is an integer number (192302565).

Almost surely, 2^768925769 is an apocalyptic number.

It is an amenable number.

768925769 is a deficient number, since it is larger than the sum of its proper divisors (284491).

768925769 is a wasteful number, since it uses less digits than its factorization.

768925769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284490.

The product of its digits is 11430720, while the sum is 59.

The square root of 768925769 is about 27729.5107962618. The cubic root of 768925769 is about 916.1392119005.

The spelling of 768925769 in words is "seven hundred sixty-eight million, nine hundred twenty-five thousand, seven hundred sixty-nine".