28830868522071 has 96 divisors (see below), whose sum is σ = 50433986396160. Its totient is φ = 14471525073600.

The previous prime is 28830868522067. The next prime is 28830868522097. The reversal of 28830868522071 is 17022586803882.

It is not a de Polignac number, because 28830868522071 - 2² = 28830868522067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28830868521996 and 28830868522014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28830868522061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 31987690 + ... + 32876648.

It is an arithmetic number, because the mean of its divisors is an integer number (525354024960).

Almost surely, 2^{28830868522071} is an apocalyptic number.

28830868522071 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

28830868522071 is a deficient number, since it is larger than the sum of its proper divisors (21603117874089).

28830868522071 is a wasteful number, since it uses less digits than its factorization.

28830868522071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889665 (or 889658 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 28830868522071 in words is "twenty-eight trillion, eight hundred thirty billion, eight hundred sixty-eight million, five hundred twenty-two thousand, seventy-one".