769397823 has 6 divisors (see below), whose sum is σ = 1111352424. Its totient is φ = 512931876.

The previous prime is 769397813. The next prime is 769397833. The reversal of 769397823 is 328793967.

It is an interprime number because it is at equal distance from previous prime (769397813) and next prime (769397833).

It is not a de Polignac number, because 769397823 - 2¹⁴ = 769381439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 769397823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769397803) 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 5 ways as a sum of consecutive naturals, for example, 42744315 + ... + 42744332.

It is an arithmetic number, because the mean of its divisors is an integer number (185225404).

Almost surely, 2^769397823 is an apocalyptic number.

769397823 is a deficient number, since it is larger than the sum of its proper divisors (341954601).

769397823 is a wasteful number, since it uses less digits than its factorization.

769397823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85488653 (or 85488650 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 769397823 is about 27738.0212524253. The cubic root of 769397823 is about 916.3266503278.

The spelling of 769397823 in words is "seven hundred sixty-nine million, three hundred ninety-seven thousand, eight hundred twenty-three".