28576627 has 4 divisors (see below), whose sum is σ = 30080680. Its totient is φ = 27072576.

The previous prime is 28576621. The next prime is 28576663. The reversal of 28576627 is 72667582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28576627 - 2³ = 28576619 is a prime.

It is a super-2 number, since 2×28576627² = 1633247221394258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28576621) 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 3 ways as a sum of consecutive naturals, for example, 751998 + ... + 752035.

It is an arithmetic number, because the mean of its divisors is an integer number (7520170).

Almost surely, 2^28576627 is an apocalyptic number.

28576627 is a deficient number, since it is larger than the sum of its proper divisors (1504053).

28576627 is a wasteful number, since it uses less digits than its factorization.

28576627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504052.

The product of its digits is 282240, while the sum is 43.

The square root of 28576627 is about 5345.7110845986. The cubic root of 28576627 is about 305.7292484535.

The spelling of 28576627 in words is "twenty-eight million, five hundred seventy-six thousand, six hundred twenty-seven".