78468229 has 8 divisors (see below), whose sum is σ = 92770560. Its totient is φ = 64939056.

The previous prime is 78468227. The next prime is 78468253. The reversal of 78468229 is 92286487.

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

It is not a de Polignac number, because 78468229 - 2¹ = 78468227 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 (78468227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193069 + ... + 193474.

It is an arithmetic number, because the mean of its divisors is an integer number (11596320).

Almost surely, 2^78468229 is an apocalyptic number.

It is an amenable number.

78468229 is a deficient number, since it is larger than the sum of its proper divisors (14302331).

78468229 is a wasteful number, since it uses less digits than its factorization.

78468229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386579.

The product of its digits is 387072, while the sum is 46.

The square root of 78468229 is about 8858.2294506295. The cubic root of 78468229 is about 428.1191129885.

The spelling of 78468229 in words is "seventy-eight million, four hundred sixty-eight thousand, two hundred twenty-nine".