28573142873 has 8 divisors (see below), whose sum is σ = 31635936480. Its totient is φ = 25587888480.

The previous prime is 28573142833. The next prime is 28573142891. The reversal of 28573142873 is 37824137582.

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

It is a de Polignac number, because none of the positive numbers 2^k-28573142873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28573142813) 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, 19384028 + ... + 19385501.

It is an arithmetic number, because the mean of its divisors is an integer number (3954492060).

Almost surely, 2^28573142873 is an apocalyptic number.

It is an amenable number.

28573142873 is a deficient number, since it is larger than the sum of its proper divisors (3062793607).

28573142873 is a wasteful number, since it uses less digits than its factorization.

28573142873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38769607.

The product of its digits is 2257920, while the sum is 50.

The spelling of 28573142873 in words is "twenty-eight billion, five hundred seventy-three million, one hundred forty-two thousand, eight hundred seventy-three".