6536086856 has 32 divisors (see below), whose sum is σ = 13255548600. Its totient is φ = 3003471360.

The previous prime is 6536086853. The next prime is 6536086859. The reversal of 6536086856 is 6586806356.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6536086853) and next prime (6536086859).

It can be written as a sum of positive squares in 4 ways, for example, as 6443272900 + 92813956 = 80270^2 + 9634^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6536086798 and 6536086807.

It is not an unprimeable number, because it can be changed into a prime (6536086853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 113405 + ... + 161036.

Almost surely, 2^6536086856 is an apocalyptic number.

It is an amenable number.

6536086856 is an abundant number, since it is smaller than the sum of its proper divisors (6719461744).

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

6536086856 is a wasteful number, since it uses less digits than its factorization.

6536086856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274689 (or 274685 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The square root of 6536086856 is about 80846.0688963910. The cubic root of 6536086856 is about 1869.7029140941.

The spelling of 6536086856 in words is "six billion, five hundred thirty-six million, eighty-six thousand, eight hundred fifty-six".