8072555256 has 112 divisors (see below), whose sum is σ = 22764785400. Its totient is φ = 2682424512.

The previous prime is 8072555221. The next prime is 8072555311. The reversal of 8072555256 is 6525552708.

8072555256 is a `hidden beast` number, since 8 + 0 + 72 + 55 + 525 + 6 = 666.

It is a super-2 number, since 2×8072555256² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2021710 + ... + 2025698.

Almost surely, 2^8072555256 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 8072555256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11382392700).

8072555256 is an abundant number, since it is smaller than the sum of its proper divisors (14692230144).

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

8072555256 is a wasteful number, since it uses less digits than its factorization.

8072555256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360 (or 4341 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 45.

The square root of 8072555256 is about 89847.3998288209. The cubic root of 8072555256 is about 2006.0280841800.

It can be divided in two parts, 80725 and 55256, that added together give a triangular number (135981 = T₅₂₁).

The spelling of 8072555256 in words is "eight billion, seventy-two million, five hundred fifty-five thousand, two hundred fifty-six".