232878917 has 2 divisors, whose sum is σ = 232878918. Its totient is φ = 232878916.

The previous prime is 232878911. The next prime is 232878923. The reversal of 232878917 is 719878232.

It is a balanced prime because it is at equal distance from previous prime (232878911) and next prime (232878923).

It can be written as a sum of positive squares in only one way, i.e., 142229476 + 90649441 = 11926^2 + 9521^2 .

It is a cyclic number.

It is not a de Polignac number, because 232878917 - 2⁴ = 232878901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232878911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116439458 + 116439459.

It is an arithmetic number, because the mean of its divisors is an integer number (116439459).

Almost surely, 2^232878917 is an apocalyptic number.

It is an amenable number.

232878917 is a deficient number, since it is larger than the sum of its proper divisors (1).

232878917 is an equidigital number, since it uses as much as digits as its factorization.

232878917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 232878917 is about 15260.3708015238. The cubic root of 232878917 is about 615.2383388904.

The spelling of 232878917 in words is "two hundred thirty-two million, eight hundred seventy-eight thousand, nine hundred seventeen".