28716143029 has 4 divisors (see below), whose sum is σ = 32818449184. Its totient is φ = 24613836876.

The previous prime is 28716142981. The next prime is 28716143039. The reversal of 28716143029 is 92034161782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28716143029 - 2⁹ = 28716142517 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 (28716143039) 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, 2051153067 + ... + 2051153080.

It is an arithmetic number, because the mean of its divisors is an integer number (8204612296).

Almost surely, 2^28716143029 is an apocalyptic number.

It is an amenable number.

28716143029 is a deficient number, since it is larger than the sum of its proper divisors (4102306155).

28716143029 is an equidigital number, since it uses as much as digits as its factorization.

28716143029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102306154.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 28716143029 in words is "twenty-eight billion, seven hundred sixteen million, one hundred forty-three thousand, twenty-nine".