28827687 has 8 divisors (see below), whose sum is σ = 43927936. Its totient is φ = 16472952.

The previous prime is 28827683. The next prime is 28827703. The reversal of 28827687 is 78672882.

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

It is not a de Polignac number, because 28827687 - 2² = 28827683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28827683) 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, 686353 + ... + 686394.

It is an arithmetic number, because the mean of its divisors is an integer number (5490992).

Almost surely, 2^28827687 is an apocalyptic number.

28827687 is a deficient number, since it is larger than the sum of its proper divisors (15100249).

28827687 is a wasteful number, since it uses less digits than its factorization.

28827687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372757.

The product of its digits is 602112, while the sum is 48.

The square root of 28827687 is about 5369.1421102444. The cubic root of 28827687 is about 306.6219674663.

The spelling of 28827687 in words is "twenty-eight million, eight hundred twenty-seven thousand, six hundred eighty-seven".