28871714618719 has 16 divisors (see below), whose sum is σ = 34871267854080. Its totient is φ = 23351295384000.

The previous prime is 28871714618683. The next prime is 28871714618723. The reversal of 28871714618719 is 91781641717882.

It is a cyclic number.

It is not a de Polignac number, because 28871714618719 - 2¹³ = 28871714610527 is a prime.

It is a super-2 number, since 2×28871714618719² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28871714618519) 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 15 ways as a sum of consecutive naturals, for example, 432398014 + ... + 432464779.

It is an arithmetic number, because the mean of its divisors is an integer number (2179454240880).

Almost surely, 2^{28871714618719} is an apocalyptic number.

28871714618719 is a deficient number, since it is larger than the sum of its proper divisors (5999553235361).

28871714618719 is a wasteful number, since it uses less digits than its factorization.

28871714618719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864863070.

The product of its digits is 75866112, while the sum is 70.

The spelling of 28871714618719 in words is "twenty-eight trillion, eight hundred seventy-one billion, seven hundred fourteen million, six hundred eighteen thousand, seven hundred nineteen".