28576773 has 16 divisors (see below), whose sum is σ = 42970560. Its totient is φ = 18765648.

The previous prime is 28576771. The next prime is 28576777. The reversal of 28576773 is 37767582.

28576773 is a `hidden beast` number, since 2 + 8 + 576 + 7 + 73 = 666.

It is not a de Polignac number, because 28576773 - 2¹ = 28576771 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28576771) 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, 6090 + ... + 9707.

It is an arithmetic number, because the mean of its divisors is an integer number (2685660).

Almost surely, 2^28576773 is an apocalyptic number.

It is an amenable number.

28576773 is a deficient number, since it is larger than the sum of its proper divisors (14393787).

28576773 is a wasteful number, since it uses less digits than its factorization.

28576773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15873 (or 15867 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 28576773 is about 5345.7247403883. The cubic root of 28576773 is about 305.7297691167.

The spelling of 28576773 in words is "twenty-eight million, five hundred seventy-six thousand, seven hundred seventy-three".