28759043143 has 4 divisors (see below), whose sum is σ = 28759847688. Its totient is φ = 28758238600.

The previous prime is 28759043087. The next prime is 28759043161. The reversal of 28759043143 is 34134095782.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28759043143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28759043093 and 28759043102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28759040143) 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, 346033 + ... + 421018.

It is an arithmetic number, because the mean of its divisors is an integer number (7189961922).

Almost surely, 2^28759043143 is an apocalyptic number.

28759043143 is a deficient number, since it is larger than the sum of its proper divisors (804545).

28759043143 is an equidigital number, since it uses as much as digits as its factorization.

28759043143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804544.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 28759043143 in words is "twenty-eight billion, seven hundred fifty-nine million, forty-three thousand, one hundred forty-three".