8285915556 has 72 divisors (see below), whose sum is σ = 21336666624. Its totient is φ = 2710673280.

The previous prime is 8285915551. The next prime is 8285915557. The reversal of 8285915556 is 6555195828.

8285915556 is a `hidden beast` number, since 8 + 2 + 85 + 9 + 1 + 5 + 556 = 666.

It is not an unprimeable number, because it can be changed into a prime (8285915551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 562720 + ... + 577256.

It is an arithmetic number, because the mean of its divisors is an integer number (296342592).

Almost surely, 2^8285915556 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 8285915556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10668333312).

8285915556 is an abundant number, since it is smaller than the sum of its proper divisors (13050751068).

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

8285915556 is a wasteful number, since it uses less digits than its factorization.

8285915556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14841 (or 14836 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 54.

The square root of 8285915556 is about 91027.0045426081. The cubic root of 8285915556 is about 2023.5479551144.

The spelling of 8285915556 in words is "eight billion, two hundred eighty-five million, nine hundred fifteen thousand, five hundred fifty-six".