28830287071 has 4 divisors (see below), whose sum is σ = 28871415144. Its totient is φ = 28789159000.

The previous prime is 28830287069. The next prime is 28830287081. The reversal of 28830287071 is 17078203882.

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 28830287071 - 2¹ = 28830287069 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 (28830287021) 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, 20562985 + ... + 20564386.

It is an arithmetic number, because the mean of its divisors is an integer number (7217853786).

Almost surely, 2^28830287071 is an apocalyptic number.

28830287071 is a deficient number, since it is larger than the sum of its proper divisors (41128073).

28830287071 is an equidigital number, since it uses as much as digits as its factorization.

28830287071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41128072.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 28830287071 in words is "twenty-eight billion, eight hundred thirty million, two hundred eighty-seven thousand, seventy-one".