8254864567 has 4 divisors (see below), whose sum is σ = 8297636080. Its totient is φ = 8212093056.

The previous prime is 8254864561. The next prime is 8254864619. The reversal of 8254864567 is 7654684528.

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

It is a cyclic number.

It is not a de Polignac number, because 8254864567 - 2⁷ = 8254864439 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 (8254864561) 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, 21385467 + ... + 21385852.

It is an arithmetic number, because the mean of its divisors is an integer number (2074409020).

Almost surely, 2^8254864567 is an apocalyptic number.

8254864567 is a deficient number, since it is larger than the sum of its proper divisors (42771513).

8254864567 is a wasteful number, since it uses less digits than its factorization.

8254864567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42771512.

The product of its digits is 12902400, while the sum is 55.

The square root of 8254864567 is about 90856.2852366307. The cubic root of 8254864567 is about 2021.0170814261.

The spelling of 8254864567 in words is "eight billion, two hundred fifty-four million, eight hundred sixty-four thousand, five hundred sixty-seven".