857275112249 has 8 divisors (see below), whose sum is σ = 885103269888. Its totient is φ = 829457837280.

The previous prime is 857275112189. The next prime is 857275112279. The reversal of 857275112249 is 942211572758.

857275112249 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 cyclic number.

It is not a de Polignac number, because 857275112249 - 2²⁴ = 857258335033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 857275112249.

It is not an unprimeable number, because it can be changed into a prime (857275112279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2560412 + ... + 2875805.

It is an arithmetic number, because the mean of its divisors is an integer number (110637908736).

Almost surely, 2^857275112249 is an apocalyptic number.

It is an amenable number.

857275112249 is a deficient number, since it is larger than the sum of its proper divisors (27828157639).

857275112249 is a wasteful number, since it uses less digits than its factorization.

857275112249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441335.

The product of its digits is 2822400, while the sum is 53.

The spelling of 857275112249 in words is "eight hundred fifty-seven billion, two hundred seventy-five million, one hundred twelve thousand, two hundred forty-nine".