5728817826 has 24 divisors (see below), whose sum is σ = 12872159664. Its totient is φ = 1909605780.

The previous prime is 5728817821. The next prime is 5728817837. The reversal of 5728817826 is 6287188275.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5728817821) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5893360 + ... + 5894331.

It is an arithmetic number, because the mean of its divisors is an integer number (536339986).

Almost surely, 2^5728817826 is an apocalyptic number.

5728817826 is an abundant number, since it is smaller than the sum of its proper divisors (7143341838).

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

5728817826 is a wasteful number, since it uses less digits than its factorization.

5728817826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11787708 (or 11787696 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The square root of 5728817826 is about 75688.9544517560. The cubic root of 5728817826 is about 1789.3213229796.

The spelling of 5728817826 in words is "five billion, seven hundred twenty-eight million, eight hundred seventeen thousand, eight hundred twenty-six".