28313759 has 8 divisors (see below), whose sum is σ = 29616000. Its totient is φ = 27017496.

The previous prime is 28313741. The next prime is 28313767. The reversal of 28313759 is 95731382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28313759 - 2⁸ = 28313503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28313359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10244 + ... + 12710.

It is an arithmetic number, because the mean of its divisors is an integer number (3702000).

Almost surely, 2^28313759 is an apocalyptic number.

28313759 is a deficient number, since it is larger than the sum of its proper divisors (1302241).

28313759 is a wasteful number, since it uses less digits than its factorization.

28313759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989.

The product of its digits is 45360, while the sum is 38.

The square root of 28313759 is about 5321.0674680932. The cubic root of 28313759 is about 304.7889214094.

The spelling of 28313759 in words is "twenty-eight million, three hundred thirteen thousand, seven hundred fifty-nine".