826808265 has 12 divisors (see below), whose sum is σ = 1433134404. Its totient is φ = 440964384.

The previous prime is 826808221. The next prime is 826808287. The reversal of 826808265 is 562808628.

It can be written as a sum of positive squares in 2 ways, for example, as 651934089 + 174874176 = 25533^2 + 13224^2 .

It is not a de Polignac number, because 826808265 - 2⁷ = 826808137 is a prime.

It is a super-2 number, since 2×826808265² = 1367223814144620450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 18373517 = 826808265 / (8 + 2 + 6 + 8 + 0 + 8 + 2 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 826808265.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9186714 + ... + 9186803.

It is an arithmetic number, because the mean of its divisors is an integer number (119427867).

Almost surely, 2^826808265 is an apocalyptic number.

It is an amenable number.

826808265 is a deficient number, since it is larger than the sum of its proper divisors (606326139).

826808265 is a wasteful number, since it uses less digits than its factorization.

826808265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18373528 (or 18373525 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 826808265 is about 28754.2738562461. The cubic root of 826808265 is about 938.5734605255.

The spelling of 826808265 in words is "eight hundred twenty-six million, eight hundred eight thousand, two hundred sixty-five".