769740239 has 8 divisors (see below), whose sum is σ = 773365632. Its totient is φ = 766122840.

The previous prime is 769740227. The next prime is 769740271. The reversal of 769740239 is 932047967.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 769740239 - 2⁸ = 769739983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 769740193 and 769740202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769740289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273212 + ... + 276014.

It is an arithmetic number, because the mean of its divisors is an integer number (96670704).

Almost surely, 2^769740239 is an apocalyptic number.

769740239 is a deficient number, since it is larger than the sum of its proper divisors (3625393).

769740239 is a wasteful number, since it uses less digits than its factorization.

769740239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997.

The product of its (nonzero) digits is 571536, while the sum is 47.

The square root of 769740239 is about 27744.1928878820. The cubic root of 769740239 is about 916.4625654387.

The spelling of 769740239 in words is "seven hundred sixty-nine million, seven hundred forty thousand, two hundred thirty-nine".