233478789 has 8 divisors (see below), whose sum is σ = 312188352. Its totient is φ = 155210880.

The previous prime is 233478787. The next prime is 233478793. The reversal of 233478789 is 987874332.

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

It is not a de Polignac number, because 233478789 - 2¹ = 233478787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233478787) 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, 109177 + ... + 111294.

It is an arithmetic number, because the mean of its divisors is an integer number (39023544).

Almost surely, 2^233478789 is an apocalyptic number.

It is an amenable number.

233478789 is a deficient number, since it is larger than the sum of its proper divisors (78709563).

233478789 is a wasteful number, since it uses less digits than its factorization.

233478789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220827.

The product of its digits is 2032128, while the sum is 51.

The square root of 233478789 is about 15280.0127290523. The cubic root of 233478789 is about 615.7661493936.

The spelling of 233478789 in words is "two hundred thirty-three million, four hundred seventy-eight thousand, seven hundred eighty-nine".