7808130265 has 16 divisors (see below), whose sum is σ = 10100917008. Its totient is φ = 5760055296.

The previous prime is 7808130227. The next prime is 7808130271. The reversal of 7808130265 is 5620318087.

It can be written as a sum of positive squares in 8 ways, for example, as 547045321 + 7261084944 = 23389^2 + 85212^2 .

It is a cyclic number.

It is not a de Polignac number, because 7808130265 - 2⁹ = 7808129753 is a prime.

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, 2029 + ... + 124981.

It is an arithmetic number, because the mean of its divisors is an integer number (631307313).

Almost surely, 2^7808130265 is an apocalyptic number.

It is an amenable number.

7808130265 is a deficient number, since it is larger than the sum of its proper divisors (2292786743).

7808130265 is a wasteful number, since it uses less digits than its factorization.

7808130265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123948.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 7808130265 is about 88363.6252368586. The cubic root of 7808130265 is about 1983.8812981284.

The spelling of 7808130265 in words is "seven billion, eight hundred eight million, one hundred thirty thousand, two hundred sixty-five".