28980230899 has 8 divisors (see below), whose sum is σ = 29426146400. Its totient is φ = 28537318656.

The previous prime is 28980230893. The next prime is 28980230921. The reversal of 28980230899 is 99803208982.

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

It is a cyclic number.

It is not a de Polignac number, because 28980230899 - 2³ = 28980230891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28980230891) 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, 731364 + ... + 769969.

It is an arithmetic number, because the mean of its divisors is an integer number (3678268300).

Almost surely, 2^28980230899 is an apocalyptic number.

28980230899 is a deficient number, since it is larger than the sum of its proper divisors (445915501).

28980230899 is a wasteful number, since it uses less digits than its factorization.

28980230899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501629.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 28980230899 in words is "twenty-eight billion, nine hundred eighty million, two hundred thirty thousand, eight hundred ninety-nine".