28383323804 has 36 divisors (see below), whose sum is σ = 55365884784. Its totient is φ = 12719784000.

The previous prime is 28383323797. The next prime is 28383323861. The reversal of 28383323804 is 40832338382.

It is a super-2 number, since 2×28383323804² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 378617 + ... + 447344.

It is an arithmetic number, because the mean of its divisors is an integer number (1537941244).

Almost surely, 2^28383323804 is an apocalyptic number.

It is an amenable number.

28383323804 is a deficient number, since it is larger than the sum of its proper divisors (26982560980).

28383323804 is a wasteful number, since it uses less digits than its factorization.

28383323804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826058 (or 826045 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 28383323804 in words is "twenty-eight billion, three hundred eighty-three million, three hundred twenty-three thousand, eight hundred four".