850340765 has 16 divisors (see below), whose sum is σ = 1087700400. Its totient is φ = 635950080.

The previous prime is 850340759. The next prime is 850340789. The reversal of 850340765 is 567043058.

It can be written as a sum of positive squares in 8 ways, for example, as 4519876 + 845820889 = 2126^2 + 29083^2 .

It is not a de Polignac number, because 850340765 - 2⁴ = 850340749 is a prime.

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, 20906 + ... + 46235.

It is an arithmetic number, because the mean of its divisors is an integer number (67981275).

Almost surely, 2^850340765 is an apocalyptic number.

850340765 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

850340765 is a deficient number, since it is larger than the sum of its proper divisors (237359635).

850340765 is a wasteful number, since it uses less digits than its factorization.

850340765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67312.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 850340765 is about 29160.6029601584. The cubic root of 850340765 is about 947.3948068856.

The spelling of 850340765 in words is "eight hundred fifty million, three hundred forty thousand, seven hundred sixty-five".