852857143283 has 4 divisors (see below), whose sum is σ = 853102997760. Its totient is φ = 852611288808.

The previous prime is 852857143277. The next prime is 852857143291. The reversal of 852857143283 is 382341758258.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 852857143283 - 2¹⁸ = 852856881139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852857143213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122922035 + ... + 122928972.

It is an arithmetic number, because the mean of its divisors is an integer number (213275749440).

Almost surely, 2^852857143283 is an apocalyptic number.

852857143283 is a deficient number, since it is larger than the sum of its proper divisors (245854477).

852857143283 is a wasteful number, since it uses less digits than its factorization.

852857143283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245854476.

The product of its digits is 12902400, while the sum is 56.

The spelling of 852857143283 in words is "eight hundred fifty-two billion, eight hundred fifty-seven million, one hundred forty-three thousand, two hundred eighty-three".