28976634479 has 8 divisors (see below), whose sum is σ = 32562372192. Its totient is φ = 25584720480.

The previous prime is 28976634389. The next prime is 28976634529. The reversal of 28976634479 is 97443667982.

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 28976634479 - 2³² = 24681667183 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 (28976634679) 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, 48455612 + ... + 48456209.

It is an arithmetic number, because the mean of its divisors is an integer number (4070296524).

Almost surely, 2^28976634479 is an apocalyptic number.

28976634479 is a deficient number, since it is larger than the sum of its proper divisors (3585737713).

28976634479 is a wasteful number, since it uses less digits than its factorization.

28976634479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96911857.

The product of its digits is 109734912, while the sum is 65.

The spelling of 28976634479 in words is "twenty-eight billion, nine hundred seventy-six million, six hundred thirty-four thousand, four hundred seventy-nine".