28575833349 has 8 divisors (see below), whose sum is σ = 43544127040. Its totient is φ = 16329047616.

The previous prime is 28575833329. The next prime is 28575833357. The reversal of 28575833349 is 94333857582.

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

It is not a de Polignac number, because 28575833349 - 2³² = 24280866053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28575833329) 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, 680376964 + ... + 680377005.

It is an arithmetic number, because the mean of its divisors is an integer number (5443015880).

Almost surely, 2^28575833349 is an apocalyptic number.

It is an amenable number.

28575833349 is a deficient number, since it is larger than the sum of its proper divisors (14968293691).

28575833349 is a wasteful number, since it uses less digits than its factorization.

28575833349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360753979.

The product of its digits is 21772800, while the sum is 57.

The spelling of 28575833349 in words is "twenty-eight billion, five hundred seventy-five million, eight hundred thirty-three thousand, three hundred forty-nine".