28792823 has 2 divisors, whose sum is σ = 28792824. Its totient is φ = 28792822.

The previous prime is 28792807. The next prime is 28792837. The reversal of 28792823 is 32829782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28792823 - 2⁴ = 28792807 is a prime.

It is a super-3 number, since 3×28792823³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28792873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14396411 + 14396412.

It is an arithmetic number, because the mean of its divisors is an integer number (14396412).

Almost surely, 2^28792823 is an apocalyptic number.

28792823 is a deficient number, since it is larger than the sum of its proper divisors (1).

28792823 is an equidigital number, since it uses as much as digits as its factorization.

28792823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 28792823 is about 5365.8944268407. The cubic root of 28792823 is about 306.4983087921.

The spelling of 28792823 in words is "twenty-eight million, seven hundred ninety-two thousand, eight hundred twenty-three".