28026877 has 8 divisors (see below), whose sum is σ = 29027160. Its totient is φ = 27044160.

The previous prime is 28026853. The next prime is 28026893. The reversal of 28026877 is 77862082.

It can be written as a sum of positive squares in 4 ways, for example, as 872356 + 27154521 = 934^2 + 5211^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 28026877 - 2⁷ = 28026749 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 (28026827) 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, 1102 + ... + 7567.

It is an arithmetic number, because the mean of its divisors is an integer number (3628395).

Almost surely, 2^28026877 is an apocalyptic number.

It is an amenable number.

28026877 is a deficient number, since it is larger than the sum of its proper divisors (1000283).

28026877 is an equidigital number, since it uses as much as digits as its factorization.

28026877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 28026877 is about 5294.0416507617. The cubic root of 28026877 is about 303.7560261185.

The spelling of 28026877 in words is "twenty-eight million, twenty-six thousand, eight hundred seventy-seven".