857875234 has 8 divisors (see below), whose sum is σ = 1287360000. Its totient is φ = 428755236.

The previous prime is 857875219. The next prime is 857875237. The reversal of 857875234 is 432578758.

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

It is a super-2 number, since 2×857875234² = 1471899834221109512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (857875237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85234 + ... + 94765.

It is an arithmetic number, because the mean of its divisors is an integer number (160920000).

Almost surely, 2^857875234 is an apocalyptic number.

857875234 is a deficient number, since it is larger than the sum of its proper divisors (429484766).

857875234 is a wasteful number, since it uses less digits than its factorization.

857875234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182384.

The product of its digits is 1881600, while the sum is 49.

The square root of 857875234 is about 29289.5072338201. The cubic root of 857875234 is about 950.1847227127.

The spelling of 857875234 in words is "eight hundred fifty-seven million, eight hundred seventy-five thousand, two hundred thirty-four".