28714587 has 16 divisors (see below), whose sum is σ = 43115520. Its totient is φ = 16840800.

The previous prime is 28714571. The next prime is 28714589. The reversal of 28714587 is 78541782.

It is not a de Polignac number, because 28714587 - 2⁴ = 28714571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28714589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13012 + ... + 15057.

It is an arithmetic number, because the mean of its divisors is an integer number (2694720).

Almost surely, 2^28714587 is an apocalyptic number.

28714587 is a deficient number, since it is larger than the sum of its proper divisors (14400933).

28714587 is a wasteful number, since it uses less digits than its factorization.

28714587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28114.

The product of its digits is 125440, while the sum is 42.

The square root of 28714587 is about 5358.5993505766. The cubic root of 28714587 is about 306.2204507377.

The spelling of 28714587 in words is "twenty-eight million, seven hundred fourteen thousand, five hundred eighty-seven".