28673809683 has 8 divisors (see below), whose sum is σ = 38532784128. Its totient is φ = 18965354184.

The previous prime is 28673809657. The next prime is 28673809729. The reversal of 28673809683 is 38690837682.

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

It is not a de Polignac number, because 28673809683 - 2²⁰ = 28672761107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28673809783) 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, 37629291 + ... + 37630052.

It is an arithmetic number, because the mean of its divisors is an integer number (4816598016).

Almost surely, 2^28673809683 is an apocalyptic number.

28673809683 is a deficient number, since it is larger than the sum of its proper divisors (9858974445).

28673809683 is a wasteful number, since it uses less digits than its factorization.

28673809683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75259473.

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 28673809683 in words is "twenty-eight billion, six hundred seventy-three million, eight hundred nine thousand, six hundred eighty-three".