28586977 has 8 divisors (see below), whose sum is σ = 29478272. Its totient is φ = 27702000.

The previous prime is 28586927. The next prime is 28586983. The reversal of 28586977 is 77968582.

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

It is a cyclic number.

It is not a de Polignac number, because 28586977 - 2¹⁵ = 28554209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28586927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8602 + ... + 11452.

It is an arithmetic number, because the mean of its divisors is an integer number (3684784).

Almost surely, 2^28586977 is an apocalyptic number.

It is an amenable number.

28586977 is a deficient number, since it is larger than the sum of its proper divisors (891295).

28586977 is a wasteful number, since it uses less digits than its factorization.

28586977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159.

The product of its digits is 1693440, while the sum is 52.

The square root of 28586977 is about 5346.6790627454. The cubic root of 28586977 is about 305.7661540894.

The spelling of 28586977 in words is "twenty-eight million, five hundred eighty-six thousand, nine hundred seventy-seven".