28790753 has 2 divisors, whose sum is σ = 28790754. Its totient is φ = 28790752.

The previous prime is 28790731. The next prime is 28790759. The reversal of 28790753 is 35709782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17447329 + 11343424 = 4177^2 + 3368^2 .

It is a cyclic number.

It is not a de Polignac number, because 28790753 - 2¹⁸ = 28528609 is a prime.

It is a super-3 number, since 3×28790753³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28790753.

It is not a weakly prime, because it can be changed into another prime (28790759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14395376 + 14395377.

It is an arithmetic number, because the mean of its divisors is an integer number (14395377).

Almost surely, 2^28790753 is an apocalyptic number.

It is an amenable number.

28790753 is a deficient number, since it is larger than the sum of its proper divisors (1).

28790753 is an equidigital number, since it uses as much as digits as its factorization.

28790753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 28790753 is about 5365.7015384757. The cubic root of 28790753 is about 306.4909635970.

The spelling of 28790753 in words is "twenty-eight million, seven hundred ninety thousand, seven hundred fifty-three".