28768118 has 8 divisors (see below), whose sum is σ = 44155848. Its totient is φ = 14049504.

The previous prime is 28768111. The next prime is 28768123. The reversal of 28768118 is 81186782.

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

It is a super-2 number, since 2×28768118² = 1655209226523848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28768111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167171 + ... + 167342.

It is an arithmetic number, because the mean of its divisors is an integer number (5519481).

Almost surely, 2^28768118 is an apocalyptic number.

28768118 is a deficient number, since it is larger than the sum of its proper divisors (15387730).

28768118 is a wasteful number, since it uses less digits than its factorization.

28768118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334558.

The product of its digits is 43008, while the sum is 41.

The square root of 28768118 is about 5363.5918934982. The cubic root of 28768118 is about 306.4106225028.

The spelling of 28768118 in words is "twenty-eight million, seven hundred sixty-eight thousand, one hundred eighteen".