28360583217 has 48 divisors (see below), whose sum is σ = 45196062912. Its totient is φ = 17709995520.

The previous prime is 28360583203. The next prime is 28360583227. The reversal of 28360583217 is 71238506382.

28360583217 is a `hidden beast` number, since 2 + 8 + 3 + 60 + 583 + 2 + 1 + 7 = 666.

It is not a de Polignac number, because 28360583217 - 2¹⁴ = 28360566833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28360583227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 855373 + ... + 887909.

It is an arithmetic number, because the mean of its divisors is an integer number (941584644).

Almost surely, 2^28360583217 is an apocalyptic number.

28360583217 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

28360583217 is a deficient number, since it is larger than the sum of its proper divisors (16835479695).

28360583217 is a wasteful number, since it uses less digits than its factorization.

28360583217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32780 (or 32768 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 28360583217 in words is "twenty-eight billion, three hundred sixty million, five hundred eighty-three thousand, two hundred seventeen".