8258320265 has 64 divisors (see below), whose sum is σ = 12217443840. Its totient is φ = 5290168320.

The previous prime is 8258320261. The next prime is 8258320267. The reversal of 8258320265 is 5620238528.

It is not a de Polignac number, because 8258320265 - 2² = 8258320261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8258320261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 771500 + ... + 782130.

It is an arithmetic number, because the mean of its divisors is an integer number (190897560).

Almost surely, 2^8258320265 is an apocalyptic number.

8258320265 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8258320265 is a deficient number, since it is larger than the sum of its proper divisors (3959123575).

8258320265 is a wasteful number, since it uses less digits than its factorization.

8258320265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10722.

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 8258320265 is about 90875.3006322400. The cubic root of 8258320265 is about 2021.2990586082.

The spelling of 8258320265 in words is "eight billion, two hundred fifty-eight million, three hundred twenty thousand, two hundred sixty-five".