834884375438 has 16 divisors (see below), whose sum is σ = 1333400622480. Its totient is φ = 390691863936.

The previous prime is 834884375419. The next prime is 834884375443. The reversal of 834884375438 is 834573488438.

834884375438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×834884375438⁵ (a number of 61 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68584481 + ... + 68596652.

It is an arithmetic number, because the mean of its divisors is an integer number (83337538905).

Almost surely, 2^834884375438 is an apocalyptic number.

834884375438 is a deficient number, since it is larger than the sum of its proper divisors (498516247042).

834884375438 is a wasteful number, since it uses less digits than its factorization.

834884375438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137181331.

The product of its digits is 247726080, while the sum is 65.

The spelling of 834884375438 in words is "eight hundred thirty-four billion, eight hundred eighty-four million, three hundred seventy-five thousand, four hundred thirty-eight".