28692823 has 2 divisors, whose sum is σ = 28692824. Its totient is φ = 28692822.

The previous prime is 28692791. The next prime is 28692827. The reversal of 28692823 is 32829682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28692823 - 2⁵ = 28692791 is a prime.

It is a super-3 number, since 3×28692823³ (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 (28692827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14346411 + 14346412.

It is an arithmetic number, because the mean of its divisors is an integer number (14346412).

Almost surely, 2^28692823 is an apocalyptic number.

28692823 is a deficient number, since it is larger than the sum of its proper divisors (1).

28692823 is an equidigital number, since it uses as much as digits as its factorization.

28692823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 28692823 is about 5356.5682110844. The cubic root of 28692823 is about 306.1430653727.

The spelling of 28692823 in words is "twenty-eight million, six hundred ninety-two thousand, eight hundred twenty-three".