769543828 has 24 divisors (see below), whose sum is σ = 1428840000. Its totient is φ = 361396608.

The previous prime is 769543823. The next prime is 769543829. The reversal of 769543828 is 828345967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769543823) 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 7 ways as a sum of consecutive naturals, for example, 22593 + ... + 45271.

It is an arithmetic number, because the mean of its divisors is an integer number (59535000).

Almost surely, 2^769543828 is an apocalyptic number.

It is an amenable number.

769543828 is a deficient number, since it is larger than the sum of its proper divisors (659296172).

769543828 is a wasteful number, since it uses less digits than its factorization.

769543828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23199 (or 23197 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 52.

The square root of 769543828 is about 27740.6529843838. The cubic root of 769543828 is about 916.3846089922.

The spelling of 769543828 in words is "seven hundred sixty-nine million, five hundred forty-three thousand, eight hundred twenty-eight".