28747068873 has 8 divisors (see below), whose sum is σ = 39651129600. Its totient is φ = 18503860368.

The previous prime is 28747068869. The next prime is 28747068899. The reversal of 28747068873 is 37886074782.

It is a happy number.

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

It is not a de Polignac number, because 28747068873 - 2² = 28747068869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28747068773) 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, 165212953 + ... + 165213126.

It is an arithmetic number, because the mean of its divisors is an integer number (4956391200).

Almost surely, 2^28747068873 is an apocalyptic number.

It is an amenable number.

28747068873 is a deficient number, since it is larger than the sum of its proper divisors (10904060727).

28747068873 is a wasteful number, since it uses less digits than its factorization.

28747068873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330426111.

The product of its (nonzero) digits is 25288704, while the sum is 60.

The spelling of 28747068873 in words is "twenty-eight billion, seven hundred forty-seven million, sixty-eight thousand, eight hundred seventy-three".