28423086329 has 8 divisors (see below), whose sum is σ = 31015876800. Its totient is φ = 25831774800.

The previous prime is 28423086311. The next prime is 28423086353. The reversal of 28423086329 is 92368032482.

It is a happy number.

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-28423086329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28423086359) 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, 329354 + ... + 406595.

It is an arithmetic number, because the mean of its divisors is an integer number (3876984600).

Almost surely, 2^28423086329 is an apocalyptic number.

It is an amenable number.

28423086329 is a deficient number, since it is larger than the sum of its proper divisors (2592790471).

28423086329 is a wasteful number, since it uses less digits than its factorization.

28423086329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739471.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 28423086329 in words is "twenty-eight billion, four hundred twenty-three million, eighty-six thousand, three hundred twenty-nine".