228979667361 has 4 divisors (see below), whose sum is σ = 305306223152. Its totient is φ = 152653111572.

The previous prime is 228979667347. The next prime is 228979667363. The reversal of 228979667361 is 163766979822.

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 228979667361 - 2⁶ = 228979667297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228979667292 and 228979667301.

It is not an unprimeable number, because it can be changed into a prime (228979667363) 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, 38163277891 + ... + 38163277896.

It is an arithmetic number, because the mean of its divisors is an integer number (76326555788).

Almost surely, 2^228979667361 is an apocalyptic number.

It is an amenable number.

228979667361 is a deficient number, since it is larger than the sum of its proper divisors (76326555791).

228979667361 is an equidigital number, since it uses as much as digits as its factorization.

228979667361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76326555790.

The product of its digits is 82301184, while the sum is 66.

The spelling of 228979667361 in words is "two hundred twenty-eight billion, nine hundred seventy-nine million, six hundred sixty-seven thousand, three hundred sixty-one".