229827872661 has 8 divisors (see below), whose sum is σ = 310753180224. Its totient is φ = 151060573440.

The previous prime is 229827872657. The next prime is 229827872663. The reversal of 229827872661 is 166278728922.

229827872661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229827872661 - 2² = 229827872657 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 229827872595 and 229827872604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229827872663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539501836 + ... + 539502261.

It is an arithmetic number, because the mean of its divisors is an integer number (38844147528).

Almost surely, 2^229827872661 is an apocalyptic number.

It is an amenable number.

229827872661 is a deficient number, since it is larger than the sum of its proper divisors (80925307563).

229827872661 is a wasteful number, since it uses less digits than its factorization.

229827872661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079004171.

The product of its digits is 16257024, while the sum is 60.

The spelling of 229827872661 in words is "two hundred twenty-nine billion, eight hundred twenty-seven million, eight hundred seventy-two thousand, six hundred sixty-one".