765806085 has 48 divisors (see below), whose sum is σ = 1460991168. Its totient is φ = 367987200.

The previous prime is 765806081. The next prime is 765806099. The reversal of 765806085 is 580608567.

765806085 is a `hidden beast` number, since 7 + 6 + 580 + 60 + 8 + 5 = 666.

It is not a de Polignac number, because 765806085 - 2² = 765806081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 765806085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765806081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49090 + ... + 62780.

It is an arithmetic number, because the mean of its divisors is an integer number (30437316).

Almost surely, 2^765806085 is an apocalyptic number.

It is an amenable number.

765806085 is a deficient number, since it is larger than the sum of its proper divisors (695185083).

765806085 is a wasteful number, since it uses less digits than its factorization.

765806085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13826 (or 13823 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 765806085 is about 27673.2015675816. The cubic root of 765806085 is about 914.8985464868.

The spelling of 765806085 in words is "seven hundred sixty-five million, eight hundred six thousand, eighty-five".