842175838 has 12 divisors (see below), whose sum is σ = 1469511072. Its totient is φ = 360932460.

The previous prime is 842175799. The next prime is 842175839. The reversal of 842175838 is 838571248.

842175838 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-2 number, since 2×842175838² = 1418520284222004488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842175839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4296718 + ... + 4296913.

It is an arithmetic number, because the mean of its divisors is an integer number (122459256).

Almost surely, 2^842175838 is an apocalyptic number.

842175838 is a deficient number, since it is larger than the sum of its proper divisors (627335234).

842175838 is a wasteful number, since it uses less digits than its factorization.

842175838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8593647 (or 8593640 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 842175838 is about 29020.2659877541. The cubic root of 842175838 is about 944.3527712645.

The spelling of 842175838 in words is "eight hundred forty-two million, one hundred seventy-five thousand, eight hundred thirty-eight".