229789209927 has 4 divisors (see below), whose sum is σ = 306385613240. Its totient is φ = 153192806616.

The previous prime is 229789209913. The next prime is 229789209943. The reversal of 229789209927 is 729902987922.

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

It is not a de Polignac number, because 229789209927 - 2¹² = 229789205831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229789209997) 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, 38298201652 + ... + 38298201657.

It is an arithmetic number, because the mean of its divisors is an integer number (76596403310).

Almost surely, 2^229789209927 is an apocalyptic number.

229789209927 is a deficient number, since it is larger than the sum of its proper divisors (76596403313).

229789209927 is an equidigital number, since it uses as much as digits as its factorization.

229789209927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76596403312.

The product of its (nonzero) digits is 41150592, while the sum is 66.

The spelling of 229789209927 in words is "two hundred twenty-nine billion, seven hundred eighty-nine million, two hundred nine thousand, nine hundred twenty-seven".