234820879 has 2 divisors, whose sum is σ = 234820880. Its totient is φ = 234820878.

The previous prime is 234820853. The next prime is 234820891. The reversal of 234820879 is 978028432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234820879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234820819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117410439 + 117410440.

It is an arithmetic number, because the mean of its divisors is an integer number (117410440).

Almost surely, 2^234820879 is an apocalyptic number.

234820879 is a deficient number, since it is larger than the sum of its proper divisors (1).

234820879 is an equidigital number, since it uses as much as digits as its factorization.

234820879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 234820879 is about 15323.8663202209. The cubic root of 234820879 is about 616.9437512368.

The spelling of 234820879 in words is "two hundred thirty-four million, eight hundred twenty thousand, eight hundred seventy-nine".