234872791 has 2 divisors, whose sum is σ = 234872792. Its totient is φ = 234872790.

The previous prime is 234872783. The next prime is 234872797. The reversal of 234872791 is 197278432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234872791 - 2³ = 234872783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234872797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117436395 + 117436396.

It is an arithmetic number, because the mean of its divisors is an integer number (117436396).

Almost surely, 2^234872791 is an apocalyptic number.

234872791 is a deficient number, since it is larger than the sum of its proper divisors (1).

234872791 is an equidigital number, since it uses as much as digits as its factorization.

234872791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 234872791 is about 15325.5600550192. The cubic root of 234872791 is about 616.9892106019.

The spelling of 234872791 in words is "two hundred thirty-four million, eight hundred seventy-two thousand, seven hundred ninety-one".