834864663384 has 96 divisors (see below), whose sum is σ = 2325303552000. Its totient is φ = 270450290880.

The previous prime is 834864663383. The next prime is 834864663431. The reversal of 834864663384 is 483366468438.

834864663384 is a `hidden beast` number, since 8 + 3 + 486 + 46 + 6 + 33 + 84 = 666.

834864663384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834864663383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61432 + ... + 1293639.

It is an arithmetic number, because the mean of its divisors is an integer number (24221912000).

Almost surely, 2^834864663384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 834864663384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162651776000).

834864663384 is an abundant number, since it is smaller than the sum of its proper divisors (1490438888616).

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

834864663384 is a wasteful number, since it uses less digits than its factorization.

834864663384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355325 (or 1355318 counting only the distinct ones).

The product of its digits is 191102976, while the sum is 63.

The spelling of 834864663384 in words is "eight hundred thirty-four billion, eight hundred sixty-four million, six hundred sixty-three thousand, three hundred eighty-four".