28192799 has 2 divisors, whose sum is σ = 28192800. Its totient is φ = 28192798.

The previous prime is 28192781. The next prime is 28192807. The reversal of 28192799 is 99729182.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28192799 - 2¹⁶ = 28127263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28192739) 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, 14096399 + 14096400.

It is an arithmetic number, because the mean of its divisors is an integer number (14096400).

Almost surely, 2^28192799 is an apocalyptic number.

28192799 is a deficient number, since it is larger than the sum of its proper divisors (1).

28192799 is an equidigital number, since it uses as much as digits as its factorization.

28192799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 47.

The square root of 28192799 is about 5309.6891622768. The cubic root of 28192799 is about 304.3542694386.

The spelling of 28192799 in words is "twenty-eight million, one hundred ninety-two thousand, seven hundred ninety-nine".