769423893 has 32 divisors (see below), whose sum is σ = 1252475136. Its totient is φ = 410124288.

The previous prime is 769423883. The next prime is 769423903. The reversal of 769423893 is 398324967.

It is an interprime number because it is at equal distance from previous prime (769423883) and next prime (769423903).

It is not a de Polignac number, because 769423893 - 2⁴ = 769423877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769423883) 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 31 ways as a sum of consecutive naturals, for example, 30805 + ... + 49877.

It is an arithmetic number, because the mean of its divisors is an integer number (39139848).

Almost surely, 2^769423893 is an apocalyptic number.

It is an amenable number.

769423893 is a deficient number, since it is larger than the sum of its proper divisors (483051243).

769423893 is a wasteful number, since it uses less digits than its factorization.

769423893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19213.

The product of its digits is 1959552, while the sum is 51.

The square root of 769423893 is about 27738.4911810286. The cubic root of 769423893 is about 916.3369997055.

The spelling of 769423893 in words is "seven hundred sixty-nine million, four hundred twenty-three thousand, eight hundred ninety-three".