8254777313 has 4 divisors (see below), whose sum is σ = 8315031300. Its totient is φ = 8194523328.

The previous prime is 8254777253. The next prime is 8254777339. The reversal of 8254777313 is 3137774528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2255965009 + 5998812304 = 47497^2 + 77452^2 .

It is a cyclic number.

It is not a de Polignac number, because 8254777313 - 2²⁶ = 8187668449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8254777393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30126788 + ... + 30127061.

It is an arithmetic number, because the mean of its divisors is an integer number (2078757825).

Almost surely, 2^8254777313 is an apocalyptic number.

It is an amenable number.

8254777313 is a deficient number, since it is larger than the sum of its proper divisors (60253987).

8254777313 is a wasteful number, since it uses less digits than its factorization.

8254777313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60253986.

The product of its digits is 987840, while the sum is 47.

The square root of 8254777313 is about 90855.8050594457. The cubic root of 8254777313 is about 2021.0099606775.

The spelling of 8254777313 in words is "eight billion, two hundred fifty-four million, seven hundred seventy-seven thousand, three hundred thirteen".