8266765 has 16 divisors (see below), whose sum is σ = 10810800. Its totient is φ = 6031872.

The previous prime is 8266759. The next prime is 8266807. The reversal of 8266765 is 5676628.

It can be written as a sum of positive squares in 8 ways, for example, as 3378244 + 4888521 = 1838^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 8266765 - 2⁹ = 8266253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5071 + ... + 6499.

It is an arithmetic number, because the mean of its divisors is an integer number (675675).

Almost surely, 2^8266765 is an apocalyptic number.

It is an amenable number.

8266765 is a deficient number, since it is larger than the sum of its proper divisors (2544035).

8266765 is a wasteful number, since it uses less digits than its factorization.

8266765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its digits is 120960, while the sum is 40.

The square root of 8266765 is about 2875.1982540340. The cubic root of 8266765 is about 202.1987799153.

The spelling of 8266765 in words is "eight million, two hundred sixty-six thousand, seven hundred sixty-five".