28873271199242 has 16 divisors (see below), whose sum is σ = 43405500184512. Its totient is φ = 14404772337120.

The previous prime is 28873271199221. The next prime is 28873271199287. The reversal of 28873271199242 is 24299117237882.

It is a super-2 number, since 2×28873271199242² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53117243 + ... + 53658065.

It is an arithmetic number, because the mean of its divisors is an integer number (2712843761532).

Almost surely, 2^{28873271199242} is an apocalyptic number.

28873271199242 is a deficient number, since it is larger than the sum of its proper divisors (14532228985270).

28873271199242 is a wasteful number, since it uses less digits than its factorization.

28873271199242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599693.

The product of its digits is 48771072, while the sum is 65.

The spelling of 28873271199242 in words is "twenty-eight trillion, eight hundred seventy-three billion, two hundred seventy-one million, one hundred ninety-nine thousand, two hundred forty-two".