8205815260 has 12 divisors (see below), whose sum is σ = 17232212088. Its totient is φ = 3282326096.

The previous prime is 8205815251. The next prime is 8205815269. The reversal of 8205815260 is 625185028.

It is an interprime number because it is at equal distance from previous prime (8205815251) and next prime (8205815269).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8205815269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205145362 + ... + 205145401.

It is an arithmetic number, because the mean of its divisors is an integer number (1436017674).

Almost surely, 2^8205815260 is an apocalyptic number.

It is an amenable number.

8205815260 is an abundant number, since it is smaller than the sum of its proper divisors (9026396828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8205815260 is a wasteful number, since it uses less digits than its factorization.

8205815260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410290772 (or 410290770 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 8205815260 is about 90585.9550923873. The cubic root of 8205815260 is about 2017.0062554359.

The spelling of 8205815260 in words is "eight billion, two hundred five million, eight hundred fifteen thousand, two hundred sixty".