834000678 has 48 divisors (see below), whose sum is σ = 2155926960. Its totient is φ = 238285152.

The previous prime is 834000641. The next prime is 834000697. The reversal of 834000678 is 876000438.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 154951 + ... + 160242.

It is an arithmetic number, because the mean of its divisors is an integer number (44915145).

Almost surely, 2^834000678 is an apocalyptic number.

834000678 is an abundant number, since it is smaller than the sum of its proper divisors (1321926282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

834000678 is a wasteful number, since it uses less digits than its factorization.

834000678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315218 (or 315205 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 834000678 is about 28879.0698949949. The cubic root of 834000678 is about 941.2871600066.

The spelling of 834000678 in words is "eight hundred thirty-four million, six hundred seventy-eight", and thus it is an aban number.