28773086 has 8 divisors (see below), whose sum is σ = 43424904. Its totient is φ = 14298120.

The previous prime is 28773079. The next prime is 28773089. The reversal of 28773086 is 68037782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28773089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43805 + ... + 44456.

It is an arithmetic number, because the mean of its divisors is an integer number (5428113).

Almost surely, 2^28773086 is an apocalyptic number.

28773086 is a deficient number, since it is larger than the sum of its proper divisors (14651818).

28773086 is a wasteful number, since it uses less digits than its factorization.

28773086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88426.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 28773086 is about 5364.0549959895. The cubic root of 28773086 is about 306.4282596240.

The spelling of 28773086 in words is "twenty-eight million, seven hundred seventy-three thousand, eighty-six".