28873167 has 8 divisors (see below), whose sum is σ = 39393024. Its totient is φ = 18801048.

The previous prime is 28873151. The next prime is 28873189. The reversal of 28873167 is 76137882.

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

It is not a de Polignac number, because 28873167 - 2⁴ = 28873151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28873147) 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, 111783 + ... + 112040.

It is an arithmetic number, because the mean of its divisors is an integer number (4924128).

Almost surely, 2^28873167 is an apocalyptic number.

28873167 is a deficient number, since it is larger than the sum of its proper divisors (10519857).

28873167 is a wasteful number, since it uses less digits than its factorization.

28873167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223869.

The product of its digits is 112896, while the sum is 42.

The square root of 28873167 is about 5373.3757545885. The cubic root of 28873167 is about 306.7831301242.

The spelling of 28873167 in words is "twenty-eight million, eight hundred seventy-three thousand, one hundred sixty-seven".