28116854 has 4 divisors (see below), whose sum is σ = 42175284. Its totient is φ = 14058426.

The previous prime is 28116841. The next prime is 28116937. The reversal of 28116854 is 45861182.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7029212 + ... + 7029215.

It is an arithmetic number, because the mean of its divisors is an integer number (10543821).

Almost surely, 2^28116854 is an apocalyptic number.

28116854 is a deficient number, since it is larger than the sum of its proper divisors (14058430).

28116854 is a wasteful number, since it uses less digits than its factorization.

28116854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14058429.

The product of its digits is 15360, while the sum is 35.

The square root of 28116854 is about 5302.5327910349. The cubic root of 28116854 is about 304.0807365777.

The spelling of 28116854 in words is "twenty-eight million, one hundred sixteen thousand, eight hundred fifty-four".