834868259 has 4 divisors (see below), whose sum is σ = 857432304. Its totient is φ = 812304216.

The previous prime is 834868247. The next prime is 834868271. The reversal of 834868259 is 952868438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952868438 = 2 ⋅476434219.

It is an interprime number because it is at equal distance from previous prime (834868247) and next prime (834868271).

It is not a de Polignac number, because 834868259 - 2¹⁶ = 834802723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 834868259.

It is not an unprimeable number, because it can be changed into a prime (834868159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11281967 + ... + 11282040.

It is an arithmetic number, because the mean of its divisors is an integer number (214358076).

Almost surely, 2^834868259 is an apocalyptic number.

834868259 is a deficient number, since it is larger than the sum of its proper divisors (22564045).

834868259 is a wasteful number, since it uses less digits than its factorization.

834868259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22564044.

The product of its digits is 3317760, while the sum is 53.

The square root of 834868259 is about 28894.0869210294. The cubic root of 834868259 is about 941.6134426527.

The spelling of 834868259 in words is "eight hundred thirty-four million, eight hundred sixty-eight thousand, two hundred fifty-nine".