228086739879 has 4 divisors (see below), whose sum is σ = 304115653176. Its totient is φ = 152057826584.

The previous prime is 228086739869. The next prime is 228086739899. The reversal of 228086739879 is 978937680822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228086739879 - 2¹² = 228086735783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228086739869) 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, 38014456644 + ... + 38014456649.

It is an arithmetic number, because the mean of its divisors is an integer number (76028913294).

Almost surely, 2^228086739879 is an apocalyptic number.

228086739879 is a deficient number, since it is larger than the sum of its proper divisors (76028913297).

228086739879 is an equidigital number, since it uses as much as digits as its factorization.

228086739879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76028913296.

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 228086739879 in words is "two hundred twenty-eight billion, eighty-six million, seven hundred thirty-nine thousand, eight hundred seventy-nine".