230218077 has 4 divisors (see below), whose sum is σ = 306957440. Its totient is φ = 153478716.

The previous prime is 230218069. The next prime is 230218099. The reversal of 230218077 is 770812032.

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 230218077 - 2³ = 230218069 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 (230218057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38369677 + ... + 38369682.

It is an arithmetic number, because the mean of its divisors is an integer number (76739360).

Almost surely, 2^230218077 is an apocalyptic number.

It is an amenable number.

230218077 is a deficient number, since it is larger than the sum of its proper divisors (76739363).

230218077 is an equidigital number, since it uses as much as digits as its factorization.

230218077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76739362.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 230218077 is about 15172.9389704170. The cubic root of 230218077 is about 612.8861500591.

The spelling of 230218077 in words is "two hundred thirty million, two hundred eighteen thousand, seventy-seven".