8255406613 has 8 divisors (see below), whose sum is σ = 8305354008. Its totient is φ = 8205609984.

The previous prime is 8255406611. The next prime is 8255406641. The reversal of 8255406613 is 3166045528.

It can be written as a sum of positive squares in 4 ways, for example, as 412164 + 8254994449 = 642^2 + 90857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8255406613 - 2¹ = 8255406611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255406611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73131 + ... + 147847.

It is an arithmetic number, because the mean of its divisors is an integer number (1038169251).

Almost surely, 2^8255406613 is an apocalyptic number.

It is an amenable number.

8255406613 is a deficient number, since it is larger than the sum of its proper divisors (49947395).

8255406613 is a wasteful number, since it uses less digits than its factorization.

8255406613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75383.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 8255406613 is about 90859.2681733680. The cubic root of 8255406613 is about 2021.0613163633.

The spelling of 8255406613 in words is "eight billion, two hundred fifty-five million, four hundred six thousand, six hundred thirteen".