28231570383 has 16 divisors (see below), whose sum is σ = 38958796800. Its totient is φ = 18163318880.

The previous prime is 28231570373. The next prime is 28231570403. The reversal of 28231570383 is 38307513282.

It is a cyclic number.

It is not a de Polignac number, because 28231570383 - 2⁵ = 28231570351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28231570343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106798 + ... + 260516.

It is an arithmetic number, because the mean of its divisors is an integer number (2434924800).

Almost surely, 2^28231570383 is an apocalyptic number.

28231570383 is a deficient number, since it is larger than the sum of its proper divisors (10727226417).

28231570383 is a wasteful number, since it uses less digits than its factorization.

28231570383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155862.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 28231570383 in words is "twenty-eight billion, two hundred thirty-one million, five hundred seventy thousand, three hundred eighty-three".