5255986764 has 72 divisors (see below), whose sum is σ = 15105469680. Its totient is φ = 1413371904.

The previous prime is 5255986763. The next prime is 5255986783. The reversal of 5255986764 is 4676895525.

It is not an unprimeable number, because it can be changed into a prime (5255986763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252909 + ... + 272900.

It is an arithmetic number, because the mean of its divisors is an integer number (209798190).

Almost surely, 2^5255986764 is an apocalyptic number.

It is an amenable number.

5255986764 is an abundant number, since it is smaller than the sum of its proper divisors (9849482916).

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

5255986764 is a wasteful number, since it uses less digits than its factorization.

5255986764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525847 (or 525838 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 57.

The square root of 5255986764 is about 72498.1845565804. The cubic root of 5255986764 is about 1738.6737112051.

The spelling of 5255986764 in words is "five billion, two hundred fifty-five million, nine hundred eighty-six thousand, seven hundred sixty-four".