288873865873 has 4 divisors (see below), whose sum is σ = 288910828260. Its totient is φ = 288836903488.

The previous prime is 288873865859. The next prime is 288873865979. The reversal of 288873865873 is 378568378882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 212663889 + 288661201984 = 14583^2 + 537272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288873865873 is a prime.

It is a super-2 number, since 2×288873865873² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 288873865796 and 288873865805.

It is not an unprimeable number, because it can be changed into a prime (288873866873) 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, 18469468 + ... + 18485101.

It is an arithmetic number, because the mean of its divisors is an integer number (72227707065).

Almost surely, 2^288873865873 is an apocalyptic number.

It is an amenable number.

288873865873 is a deficient number, since it is larger than the sum of its proper divisors (36962387).

288873865873 is an equidigital number, since it uses as much as digits as its factorization.

288873865873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36962386.

The product of its digits is 867041280, while the sum is 73.

The spelling of 288873865873 in words is "two hundred eighty-eight billion, eight hundred seventy-three million, eight hundred sixty-five thousand, eight hundred seventy-three".