28327707 has 12 divisors (see below), whose sum is σ = 42238144. Its totient is φ = 18275760.

The previous prime is 28327703. The next prime is 28327757. The reversal of 28327707 is 70772382.

It is not a de Polignac number, because 28327707 - 2² = 28327703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28327703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50488 + ... + 51045.

Almost surely, 2^28327707 is an apocalyptic number.

28327707 is a deficient number, since it is larger than the sum of its proper divisors (13910437).

28327707 is a wasteful number, since it uses less digits than its factorization.

28327707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101570 (or 101567 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 28327707 is about 5322.3779459937. The cubic root of 28327707 is about 304.8389618390.

The spelling of 28327707 in words is "twenty-eight million, three hundred twenty-seven thousand, seven hundred seven".