28799085 has 16 divisors (see below), whose sum is σ = 52661376. Its totient is φ = 13165248.

The previous prime is 28799083. The next prime is 28799101. The reversal of 28799085 is 58099782.

It is a happy number.

It is not a de Polignac number, because 28799085 - 2¹ = 28799083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28799083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137034 + ... + 137243.

It is an arithmetic number, because the mean of its divisors is an integer number (3291336).

Almost surely, 2^28799085 is an apocalyptic number.

It is an amenable number.

28799085 is a deficient number, since it is larger than the sum of its proper divisors (23862291).

28799085 is a wasteful number, since it uses less digits than its factorization.

28799085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274292.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 28799085 is about 5366.4778952307. The cubic root of 28799085 is about 306.5205267511.

The spelling of 28799085 in words is "twenty-eight million, seven hundred ninety-nine thousand, eighty-five".