28016877 has 12 divisors (see below), whose sum is σ = 43454976. Its totient is φ = 16009560.

The previous prime is 28016851. The next prime is 28016893. The reversal of 28016877 is 77861082.

It is not a de Polignac number, because 28016877 - 2¹¹ = 28014829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28016837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95149 + ... + 95442.

It is an arithmetic number, because the mean of its divisors is an integer number (3621248).

Almost surely, 2^28016877 is an apocalyptic number.

It is an amenable number.

28016877 is a deficient number, since it is larger than the sum of its proper divisors (15438099).

28016877 is a wasteful number, since it uses less digits than its factorization.

28016877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190608 (or 190601 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 28016877 is about 5293.0971084990. The cubic root of 28016877 is about 303.7198950671.

The spelling of 28016877 in words is "twenty-eight million, sixteen thousand, eight hundred seventy-seven".