228127158578 has 18 divisors (see below), whose sum is σ = 376139260287. Its totient is φ = 103690785660.

The previous prime is 228127158577. The next prime is 228127158613. The reversal of 228127158578 is 875851721822.

It can be written as a sum of positive squares in only one way, i.e., 114063579289 + 114063579289 = 337733^2 + 337733^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=337733.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228127158577) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 7414775 + ... + 7445477.

Almost surely, 2^228127158578 is an apocalyptic number.

228127158578 is a deficient number, since it is larger than the sum of its proper divisors (148012101709).

228127158578 is an frugal number, since it uses more digits than its factorization.

228127158578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61430 (or 30716 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 56.

The spelling of 228127158578 in words is "two hundred twenty-eight billion, one hundred twenty-seven million, one hundred fifty-eight thousand, five hundred seventy-eight".