842158838 has 8 divisors (see below), whose sum is σ = 1267935120. Its totient is φ = 419513800.

The previous prime is 842158747. The next prime is 842158841. The reversal of 842158838 is 838851248.

842158838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 842158792 and 842158801.

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, 782138 + ... + 783213.

It is an arithmetic number, because the mean of its divisors is an integer number (158491890).

Almost surely, 2^842158838 is an apocalyptic number.

842158838 is a deficient number, since it is larger than the sum of its proper divisors (425776282).

842158838 is a wasteful number, since it uses less digits than its factorization.

842158838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565622.

The product of its digits is 491520, while the sum is 47.

The square root of 842158838 is about 29019.9730875134. The cubic root of 842158838 is about 944.3464170470.

The spelling of 842158838 in words is "eight hundred forty-two million, one hundred fifty-eight thousand, eight hundred thirty-eight".