765873782 has 12 divisors (see below), whose sum is σ = 1160804700. Its totient is φ = 378979776.

The previous prime is 765873781. The next prime is 765873799. The reversal of 765873782 is 287378567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765873781) 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, 1532 + ... + 39167.

It is an arithmetic number, because the mean of its divisors is an integer number (96733725).

Almost surely, 2^765873782 is an apocalyptic number.

765873782 is a deficient number, since it is larger than the sum of its proper divisors (394930918).

765873782 is an equidigital number, since it uses as much as digits as its factorization.

765873782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40895 (or 40798 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 53.

The square root of 765873782 is about 27674.4246914005. The cubic root of 765873782 is about 914.9255046003.

The spelling of 765873782 in words is "seven hundred sixty-five million, eight hundred seventy-three thousand, seven hundred eighty-two".