28731600286 has 8 divisors (see below), whose sum is σ = 43098131160. Its totient is φ = 14365556568.

The previous prime is 28731600259. The next prime is 28731600307. The reversal of 28731600286 is 68200613782.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128685 + ... + 272071.

It is an arithmetic number, because the mean of its divisors is an integer number (5387266395).

Almost surely, 2^28731600286 is an apocalyptic number.

28731600286 is a deficient number, since it is larger than the sum of its proper divisors (14366530874).

28731600286 is a wasteful number, since it uses less digits than its factorization.

28731600286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243578.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 28731600286 in words is "twenty-eight billion, seven hundred thirty-one million, six hundred thousand, two hundred eighty-six".