28054994159 has 8 divisors (see below), whose sum is σ = 28227715488. Its totient is φ = 27882329440.

The previous prime is 28054994153. The next prime is 28054994167. The reversal of 28054994159 is 95149945082.

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-28054994159 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 (28054994153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425929 + ... + 1445469.

It is an arithmetic number, because the mean of its divisors is an integer number (3528464436).

Almost surely, 2^28054994159 is an apocalyptic number.

28054994159 is a deficient number, since it is larger than the sum of its proper divisors (172721329).

28054994159 is a wasteful number, since it uses less digits than its factorization.

28054994159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28305.

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 28054994159 in words is "twenty-eight billion, fifty-four million, nine hundred ninety-four thousand, one hundred fifty-nine".