765827489568 has 48 divisors (see below), whose sum is σ = 2011001519520. Its totient is φ = 255186387456.

The previous prime is 765827489561. The next prime is 765827489599. The reversal of 765827489568 is 865984728567.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 765827489568.

It is not an unprimeable number, because it can be changed into a prime (765827489561) 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, 1121838 + ... + 1670381.

It is an arithmetic number, because the mean of its divisors is an integer number (41895864990).

Almost surely, 2^765827489568 is an apocalyptic number.

It is an amenable number.

765827489568 is an abundant number, since it is smaller than the sum of its proper divisors (1245174029952).

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

765827489568 is a wasteful number, since it uses less digits than its factorization.

765827489568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795089 (or 2795081 counting only the distinct ones).

The product of its digits is 1625702400, while the sum is 75.

The spelling of 765827489568 in words is "seven hundred sixty-five billion, eight hundred twenty-seven million, four hundred eighty-nine thousand, five hundred sixty-eight".