28360383215 has 8 divisors (see below), whose sum is σ = 34590369408. Its totient is φ = 22316366880.

The previous prime is 28360383209. The next prime is 28360383251. The reversal of 28360383215 is 51238306382.

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

It is not a de Polignac number, because 28360383215 - 2⁸ = 28360382959 is a prime.

It is a super-2 number, since 2×28360383215² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46492127 + ... + 46492736.

It is an arithmetic number, because the mean of its divisors is an integer number (4323796176).

Almost surely, 2^28360383215 is an apocalyptic number.

28360383215 is a deficient number, since it is larger than the sum of its proper divisors (6229986193).

28360383215 is an equidigital number, since it uses as much as digits as its factorization.

28360383215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92984929.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 28360383215 its reverse (51238306382), we get a palindrome (79598689597).

The spelling of 28360383215 in words is "twenty-eight billion, three hundred sixty million, three hundred eighty-three thousand, two hundred fifteen".