869434327 has 2 divisors, whose sum is σ = 869434328. Its totient is φ = 869434326.

The previous prime is 869434301. The next prime is 869434331. The reversal of 869434327 is 723434968.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-869434327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (869434427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434717163 + 434717164.

It is an arithmetic number, because the mean of its divisors is an integer number (434717164).

Almost surely, 2^869434327 is an apocalyptic number.

869434327 is a deficient number, since it is larger than the sum of its proper divisors (1).

869434327 is an equidigital number, since it uses as much as digits as its factorization.

869434327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 869434327 is about 29486.1717928930. The cubic root of 869434327 is about 954.4333240750.

The spelling of 869434327 in words is "eight hundred sixty-nine million, four hundred thirty-four thousand, three hundred twenty-seven".