28858651 has 2 divisors, whose sum is σ = 28858652. Its totient is φ = 28858650.

The previous prime is 28858607. The next prime is 28858699. The reversal of 28858651 is 15685882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28858651 - 2⁷ = 28858523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28858598 and 28858607.

It is not a weakly prime, because it can be changed into another prime (28858751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14429325 + 14429326.

It is an arithmetic number, because the mean of its divisors is an integer number (14429326).

Almost surely, 2^28858651 is an apocalyptic number.

28858651 is a deficient number, since it is larger than the sum of its proper divisors (1).

28858651 is an equidigital number, since it uses as much as digits as its factorization.

28858651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153600, while the sum is 43.

The square root of 28858651 is about 5372.0248510222. The cubic root of 28858651 is about 306.7317097123.

The spelling of 28858651 in words is "twenty-eight million, eight hundred fifty-eight thousand, six hundred fifty-one".