28536855 has 8 divisors (see below), whose sum is σ = 45658992. Its totient is φ = 15219648.

The previous prime is 28536853. The next prime is 28536857. The reversal of 28536855 is 55863582.

It is an interprime number because it is at equal distance from previous prime (28536853) and next prime (28536857).

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

It is not a de Polignac number, because 28536855 - 2¹ = 28536853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28536853) 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 7 ways as a sum of consecutive naturals, for example, 951214 + ... + 951243.

It is an arithmetic number, because the mean of its divisors is an integer number (5707374).

Almost surely, 2^28536855 is an apocalyptic number.

28536855 is a deficient number, since it is larger than the sum of its proper divisors (17122137).

28536855 is a wasteful number, since it uses less digits than its factorization.

28536855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902465.

The product of its digits is 288000, while the sum is 42.

The square root of 28536855 is about 5341.9897978188. The cubic root of 28536855 is about 305.5873479990.

The spelling of 28536855 in words is "twenty-eight million, five hundred thirty-six thousand, eight hundred fifty-five".