28548786115 has 8 divisors (see below), whose sum is σ = 34520059728. Its totient is φ = 22664684640.

The previous prime is 28548786113. The next prime is 28548786193. The reversal of 28548786115 is 51168784582.

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

It is not a de Polignac number, because 28548786115 - 2¹ = 28548786113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28548786113) 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, 21792312 + ... + 21793621.

It is an arithmetic number, because the mean of its divisors is an integer number (4315007466).

Almost surely, 2^28548786115 is an apocalyptic number.

28548786115 is a deficient number, since it is larger than the sum of its proper divisors (5971273613).

28548786115 is a wasteful number, since it uses less digits than its factorization.

28548786115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43586069.

The product of its digits is 4300800, while the sum is 55.

The spelling of 28548786115 in words is "twenty-eight billion, five hundred forty-eight million, seven hundred eighty-six thousand, one hundred fifteen".