8256746671 has 4 divisors (see below), whose sum is σ = 8257058872. Its totient is φ = 8256434472.

The previous prime is 8256746633. The next prime is 8256746689. The reversal of 8256746671 is 1766476528.

8256746671 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8256746671 - 2⁹ = 8256746159 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 (8956746671) 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, 112341 + ... + 170686.

It is an arithmetic number, because the mean of its divisors is an integer number (2064264718).

Almost surely, 2^8256746671 is an apocalyptic number.

8256746671 is a deficient number, since it is larger than the sum of its proper divisors (312201).

8256746671 is a wasteful number, since it uses less digits than its factorization.

8256746671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312200.

The product of its digits is 3386880, while the sum is 52.

The square root of 8256746671 is about 90866.6422346507. The cubic root of 8256746671 is about 2021.1706666345.

The spelling of 8256746671 in words is "eight billion, two hundred fifty-six million, seven hundred forty-six thousand, six hundred seventy-one".