5256878336 has 36 divisors (see below), whose sum is σ = 10637002572. Its totient is φ = 2592423936.

The previous prime is 5256878327. The next prime is 5256878339. The reversal of 5256878336 is 6338786525.

It can be written as a sum of positive squares in 2 ways, for example, as 1402951936 + 3853926400 = 37456^2 + 62080^2 .

It is a super-2 number, since 2×5256878336² = 55269539679012257792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5256878339) 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 3 ways as a sum of consecutive naturals, for example, 121961 + ... + 159336.

Almost surely, 2^5256878336 is an apocalyptic number.

It is an amenable number.

5256878336 is an abundant number, since it is smaller than the sum of its proper divisors (5380124236).

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

5256878336 is an equidigital number, since it uses as much as digits as its factorization.

5256878336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281386 (or 281372 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 53.

The square root of 5256878336 is about 72504.3332222289. Note that the first 3 decimals coincide. The cubic root of 5256878336 is about 1738.7720159400.

The spelling of 5256878336 in words is "five billion, two hundred fifty-six million, eight hundred seventy-eight thousand, three hundred thirty-six".