28875753 has 24 divisors (see below), whose sum is σ = 42798600. Its totient is φ = 18754560.

The previous prime is 28875751. The next prime is 28875761. The reversal of 28875753 is 35757882.

It can be written as a sum of positive squares in 4 ways, for example, as 870489 + 28005264 = 933^2 + 5292^2 .

It is not a de Polignac number, because 28875753 - 2¹ = 28875751 is a prime.

It is a super-2 number, since 2×28875753² = 1667618222634018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28875699 and 28875708.

It is not an unprimeable number, because it can be changed into a prime (28875751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81625 + ... + 81977.

It is an arithmetic number, because the mean of its divisors is an integer number (1783275).

Almost surely, 2^28875753 is an apocalyptic number.

It is an amenable number.

28875753 is a deficient number, since it is larger than the sum of its proper divisors (13922847).

28875753 is a wasteful number, since it uses less digits than its factorization.

28875753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 566 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 28875753 is about 5373.6163800554. The cubic root of 28875753 is about 306.7922887719.

The spelling of 28875753 in words is "twenty-eight million, eight hundred seventy-five thousand, seven hundred fifty-three".