806085765 has 24 divisors (see below), whose sum is σ = 1398485088. Its totient is φ = 429521760.

The previous prime is 806085757. The next prime is 806085793. The reversal of 806085765 is 567580608.

It is not a de Polignac number, because 806085765 - 2³ = 806085757 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 806085765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45870 + ... + 60960.

It is an arithmetic number, because the mean of its divisors is an integer number (58270212).

Almost surely, 2^806085765 is an apocalyptic number.

It is an amenable number.

806085765 is a deficient number, since it is larger than the sum of its proper divisors (592399323).

806085765 is a wasteful number, since it uses less digits than its factorization.

806085765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16289 (or 16286 counting only the distinct ones).

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

The square root of 806085765 is about 28391.6495646167. The cubic root of 806085765 is about 930.6657910202.

The spelling of 806085765 in words is "eight hundred six million, eighty-five thousand, seven hundred sixty-five".