28715153 has 8 divisors (see below), whose sum is σ = 29012256. Its totient is φ = 28420000.

The previous prime is 28715117. The next prime is 28715173. The reversal of 28715153 is 35151782.

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 28715153 - 2¹⁶ = 28649617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28715173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58238 + ... + 58728.

It is an arithmetic number, because the mean of its divisors is an integer number (3626532).

Almost surely, 2^28715153 is an apocalyptic number.

It is an amenable number.

28715153 is a deficient number, since it is larger than the sum of its proper divisors (297103).

28715153 is a wasteful number, since it uses less digits than its factorization.

28715153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975.

The product of its digits is 8400, while the sum is 32.

The square root of 28715153 is about 5358.6521626245. The cubic root of 28715153 is about 306.2224627190. Note that the first 3 decimals are identical.

The spelling of 28715153 in words is "twenty-eight million, seven hundred fifteen thousand, one hundred fifty-three".