28753311 has 8 divisors (see below), whose sum is σ = 38531200. Its totient is φ = 19072152.

The previous prime is 28753279. The next prime is 28753339. The reversal of 28753311 is 11335782.

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

It is not a de Polignac number, because 28753311 - 2⁵ = 28753279 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 (28753211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23485 + ... + 24678.

It is an arithmetic number, because the mean of its divisors is an integer number (4816400).

Almost surely, 2^28753311 is an apocalyptic number.

28753311 is a deficient number, since it is larger than the sum of its proper divisors (9777889).

28753311 is a wasteful number, since it uses less digits than its factorization.

28753311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48365.

The product of its digits is 5040, while the sum is 30.

The square root of 28753311 is about 5362.2113908349. The cubic root of 28753311 is about 306.3580434555.

The spelling of 28753311 in words is "twenty-eight million, seven hundred fifty-three thousand, three hundred eleven".