834340423888 has 20 divisors (see below), whose sum is σ = 1711624840740. Its totient is φ = 392630787584.

The previous prime is 834340423867. The next prime is 834340423901. The reversal of 834340423888 is 888324043438.

It can be written as a sum of positive squares in 2 ways, for example, as 661144619664 + 173195804224 = 813108^2 + 416168^2 .

It is a super-2 number, since 2×834340423888² (a number of 25 digits) contains 22 as substring.

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, 1533713743 + ... + 1533714286.

It is an arithmetic number, because the mean of its divisors is an integer number (85581242037).

Almost surely, 2^834340423888 is an apocalyptic number.

It is an amenable number.

834340423888 is an abundant number, since it is smaller than the sum of its proper divisors (877284416852).

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

834340423888 is a wasteful number, since it uses less digits than its factorization.

834340423888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067428054 (or 3067428048 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 55.

The spelling of 834340423888 in words is "eight hundred thirty-four billion, three hundred forty million, four hundred twenty-three thousand, eight hundred eighty-eight".