28587127 has 8 divisors (see below), whose sum is σ = 30295440. Its totient is φ = 26927040.

The previous prime is 28587121. The next prime is 28587133. The reversal of 28587127 is 72178582.

It is an interprime number because it is at equal distance from previous prime (28587121) and next prime (28587133).

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 28587127 - 2¹¹ = 28585079 is a prime.

It is a super-2 number, since 2×28587127² = 1634447660228258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28587127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28587121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10833 + ... + 13210.

It is an arithmetic number, because the mean of its divisors is an integer number (3786930).

Almost surely, 2^28587127 is an apocalyptic number.

28587127 is a deficient number, since it is larger than the sum of its proper divisors (1708313).

28587127 is a wasteful number, since it uses less digits than its factorization.

28587127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24113.

The product of its digits is 62720, while the sum is 40.

The square root of 28587127 is about 5346.6930901259. The cubic root of 28587127 is about 305.7666888882.

The spelling of 28587127 in words is "twenty-eight million, five hundred eighty-seven thousand, one hundred twenty-seven".