8256923136 has 320 divisors, whose sum is σ = 30475906560. Its totient is φ = 2144378880.

The previous prime is 8256923033. The next prime is 8256923149. The reversal of 8256923136 is 6313296528.

8256923136 is a `hidden beast` number, since 82 + 569 + 2 + 3 + 1 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 8256923091 and 8256923100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1060570 + ... + 1068326.

It is an arithmetic number, because the mean of its divisors is an integer number (95237208).

Almost surely, 2^8256923136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8256923136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15237953280).

8256923136 is an abundant number, since it is smaller than the sum of its proper divisors (22218983424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8256923136 is a wasteful number, since it uses less digits than its factorization.

8256923136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7802 (or 7780 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 8256923136 is about 90867.6132403619. The cubic root of 8256923136 is about 2021.1850654994.

It can be divided in two parts, 825692 and 3136, that added together give a palindrome (828828).

The spelling of 8256923136 in words is "eight billion, two hundred fifty-six million, nine hundred twenty-three thousand, one hundred thirty-six".