769234257 has 24 divisors (see below), whose sum is σ = 1213444128. Its totient is φ = 465696000.

The previous prime is 769234237. The next prime is 769234259. The reversal of 769234257 is 752432967.

It is not a de Polignac number, because 769234257 - 2¹⁰ = 769233233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (769234259) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100353 + ... + 107745.

It is an arithmetic number, because the mean of its divisors is an integer number (50560172).

Almost surely, 2^769234257 is an apocalyptic number.

It is an amenable number.

769234257 is a deficient number, since it is larger than the sum of its proper divisors (444209871).

769234257 is a wasteful number, since it uses less digits than its factorization.

769234257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8461 (or 8458 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 769234257 is about 27735.0726878442. The cubic root of 769234257 is about 916.2617118774.

The spelling of 769234257 in words is "seven hundred sixty-nine million, two hundred thirty-four thousand, two hundred fifty-seven".