28829984591 has 8 divisors (see below), whose sum is σ = 29494774944. Its totient is φ = 28172381440.

The previous prime is 28829984567. The next prime is 28829984611. The reversal of 28829984591 is 19548992882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28829984591 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 (28829981591) 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, 1788686 + ... + 1804731.

It is an arithmetic number, because the mean of its divisors is an integer number (3686846868).

Almost surely, 2^28829984591 is an apocalyptic number.

28829984591 is a deficient number, since it is larger than the sum of its proper divisors (664790353).

28829984591 is a wasteful number, since it uses less digits than its factorization.

28829984591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593601.

The product of its digits is 29859840, while the sum is 65.

The spelling of 28829984591 in words is "twenty-eight billion, eight hundred twenty-nine million, nine hundred eighty-four thousand, five hundred ninety-one".