28899027 has 6 divisors (see below), whose sum is σ = 41743052. Its totient is φ = 19266012.

The previous prime is 28899011. The next prime is 28899083. The reversal of 28899027 is 72099882.

It is not a de Polignac number, because 28899027 - 2⁴ = 28899011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28899007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1605493 + ... + 1605510.

Almost surely, 2^28899027 is an apocalyptic number.

28899027 is a deficient number, since it is larger than the sum of its proper divisors (12844025).

28899027 is a wasteful number, since it uses less digits than its factorization.

28899027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211009 (or 3211006 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 28899027 is about 5375.7815245785. The cubic root of 28899027 is about 306.8746920050.

The spelling of 28899027 in words is "twenty-eight million, eight hundred ninety-nine thousand, twenty-seven".