765536478 has 32 divisors (see below), whose sum is σ = 1761400320. Its totient is φ = 217274400.

The previous prime is 765536459. The next prime is 765536491. The reversal of 765536478 is 874635567.

765536478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 765536478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54013 + ... + 66696.

It is an arithmetic number, because the mean of its divisors is an integer number (55043760).

Almost surely, 2^765536478 is an apocalyptic number.

765536478 is an abundant number, since it is smaller than the sum of its proper divisors (995863842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

765536478 is a wasteful number, since it uses less digits than its factorization.

765536478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120872.

The product of its digits is 4233600, while the sum is 51.

The square root of 765536478 is about 27668.3298737022. The cubic root of 765536478 is about 914.7911685621.

The spelling of 765536478 in words is "seven hundred sixty-five million, five hundred thirty-six thousand, four hundred seventy-eight".