834142868628 has 24 divisors (see below), whose sum is σ = 1946444949120. Its totient is φ = 278031681600.

The previous prime is 834142868593. The next prime is 834142868633. The reversal of 834142868628 is 826868241438.

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, 1773673 + ... + 2194128.

It is an arithmetic number, because the mean of its divisors is an integer number (81101872880).

Almost surely, 2^834142868628 is an apocalyptic number.

It is an amenable number.

834142868628 is an abundant number, since it is smaller than the sum of its proper divisors (1112302080492).

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

834142868628 is a wasteful number, since it uses less digits than its factorization.

834142868628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985327 (or 3985325 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 60.

The spelling of 834142868628 in words is "eight hundred thirty-four billion, one hundred forty-two million, eight hundred sixty-eight thousand, six hundred twenty-eight".