88228888444489 has 4 divisors (see below), whose sum is σ = 95015726017156. Its totient is φ = 81442050871824.

The previous prime is 88228888444471. The next prime is 88228888444513. The reversal of 88228888444489 is 98444488882288.

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 34769101420089 + 53459787024400 = 5896533^2 + 7311620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88228888444489 is a prime.

It is a super-2 number, since 2×88228888444489² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88228888444289) 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, 3393418786314 + ... + 3393418786339.

It is an arithmetic number, because the mean of its divisors is an integer number (23753931504289).

Almost surely, 2^{88228888444489} is an apocalyptic number.

It is an amenable number.

88228888444489 is a deficient number, since it is larger than the sum of its proper divisors (6786837572667).

88228888444489 is a wasteful number, since it uses less digits than its factorization.

88228888444489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786837572666.

The product of its digits is 19327352832, while the sum is 85.

The spelling of 88228888444489 in words is "eighty-eight trillion, two hundred twenty-eight billion, eight hundred eighty-eight million, four hundred forty-four thousand, four hundred eighty-nine".