228008079117 has 40 divisors (see below), whose sum is σ = 419205750656. Its totient is φ = 120267993888.

The previous prime is 228008079107. The next prime is 228008079121. The reversal of 228008079117 is 711970800822.

It is not a de Polignac number, because 228008079117 - 2⁶ = 228008079053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228008079107) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 15459193 + ... + 15473934.

Almost surely, 2^228008079117 is an apocalyptic number.

228008079117 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

228008079117 is a deficient number, since it is larger than the sum of its proper divisors (191197671539).

228008079117 is a wasteful number, since it uses less digits than its factorization.

228008079117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30933159 (or 30933150 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

Adding to 228008079117 its reverse (711970800822), we get a palindrome (939978879939).

The spelling of 228008079117 in words is "two hundred twenty-eight billion, eight million, seventy-nine thousand, one hundred seventeen".