834420064 has 24 divisors (see below), whose sum is σ = 1646711640. Its totient is φ = 416207616.

The previous prime is 834420053. The next prime is 834420071. The reversal of 834420064 is 460024438.

834420064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17709 + ... + 44524.

It is an arithmetic number, because the mean of its divisors is an integer number (68612985).

Almost surely, 2^834420064 is an apocalyptic number.

It is an amenable number.

834420064 is a deficient number, since it is larger than the sum of its proper divisors (812291576).

834420064 is a wasteful number, since it uses less digits than its factorization.

834420064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62662 (or 62654 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 834420064 is about 28886.3300541969. The cubic root of 834420064 is about 941.4449122785. Note that the first 3 decimals are identical.

The spelling of 834420064 in words is "eight hundred thirty-four million, four hundred twenty thousand, sixty-four".