8256485215 has 12 divisors (see below), whose sum is σ = 10890373032. Its totient is φ = 6004716080.

The previous prime is 8256485179. The next prime is 8256485221. The reversal of 8256485215 is 5125846528.

It is not a de Polignac number, because 8256485215 - 2²⁷ = 8122267487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6822937 + ... + 6824146.

It is an arithmetic number, because the mean of its divisors is an integer number (907531086).

Almost surely, 2^8256485215 is an apocalyptic number.

8256485215 is a deficient number, since it is larger than the sum of its proper divisors (2633887817).

8256485215 is a wasteful number, since it uses less digits than its factorization.

8256485215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13647110 (or 13647099 counting only the distinct ones).

The product of its digits is 768000, while the sum is 46.

The square root of 8256485215 is about 90865.2035434907. The cubic root of 8256485215 is about 2021.1493324538.

The spelling of 8256485215 in words is "eight billion, two hundred fifty-six million, four hundred eighty-five thousand, two hundred fifteen".