228799276617 has 4 divisors (see below), whose sum is σ = 305065702160. Its totient is φ = 152532851076.

The previous prime is 228799276549. The next prime is 228799276631. The reversal of 228799276617 is 716672997822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 228799276617 - 2¹² = 228799272521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228799276117) 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, 38133212767 + ... + 38133212772.

It is an arithmetic number, because the mean of its divisors is an integer number (76266425540).

Almost surely, 2^228799276617 is an apocalyptic number.

It is an amenable number.

228799276617 is a deficient number, since it is larger than the sum of its proper divisors (76266425543).

228799276617 is an equidigital number, since it uses as much as digits as its factorization.

228799276617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76266425542.

The product of its digits is 64012032, while the sum is 66.

The spelling of 228799276617 in words is "two hundred twenty-eight billion, seven hundred ninety-nine million, two hundred seventy-six thousand, six hundred seventeen".