28832678143 has 4 divisors (see below), whose sum is σ = 29026186200. Its totient is φ = 28639170088.

The previous prime is 28832678141. The next prime is 28832678153. The reversal of 28832678143 is 34187623882.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28832678143 - 2¹ = 28832678141 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 (28832678141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96753805 + ... + 96754102.

It is an arithmetic number, because the mean of its divisors is an integer number (7256546550).

Almost surely, 2^28832678143 is an apocalyptic number.

28832678143 is a deficient number, since it is larger than the sum of its proper divisors (193508057).

28832678143 is a wasteful number, since it uses less digits than its factorization.

28832678143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193508056.

The product of its digits is 3096576, while the sum is 52.

The spelling of 28832678143 in words is "twenty-eight billion, eight hundred thirty-two million, six hundred seventy-eight thousand, one hundred forty-three".