28587068 has 12 divisors (see below), whose sum is σ = 52202640. Its totient is φ = 13672032.

The previous prime is 28587061. The next prime is 28587073. The reversal of 28587068 is 86078582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28587061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155273 + ... + 155456.

It is an arithmetic number, because the mean of its divisors is an integer number (4350220).

Almost surely, 2^28587068 is an apocalyptic number.

It is an amenable number.

28587068 is a deficient number, since it is larger than the sum of its proper divisors (23615572).

28587068 is a wasteful number, since it uses less digits than its factorization.

28587068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310756 (or 310754 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 28587068 is about 5346.6875726940. The cubic root of 28587068 is about 305.7664785343.

The spelling of 28587068 in words is "twenty-eight million, five hundred eighty-seven thousand, sixty-eight".