229665977386 has 8 divisors (see below), whose sum is σ = 353809749060. Its totient is φ = 111729394368.

The previous prime is 229665977383. The next prime is 229665977447. The reversal of 229665977386 is 683779566922.

It can be written as a sum of positive squares in 2 ways, for example, as 174502530225 + 55163447161 = 417735^2 + 234869^2 .

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

It is a super-2 number, since 2×229665977386² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229665977381) 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, 1551797071 + ... + 1551797218.

Almost surely, 2^229665977386 is an apocalyptic number.

229665977386 is a deficient number, since it is larger than the sum of its proper divisors (124143771674).

229665977386 is a wasteful number, since it uses less digits than its factorization.

229665977386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103594328.

The product of its digits is 411505920, while the sum is 70.

The spelling of 229665977386 in words is "two hundred twenty-nine billion, six hundred sixty-five million, nine hundred seventy-seven thousand, three hundred eighty-six".