857505528083 has 4 divisors (see below), whose sum is σ = 857507943288. Its totient is φ = 857503112880.

The previous prime is 857505528073. The next prime is 857505528133. The reversal of 857505528083 is 380825505758.

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 857505528083 - 2¹⁰ = 857505527059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (857505528073) 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, 558866 + ... + 1423847.

It is an arithmetic number, because the mean of its divisors is an integer number (214376985822).

Almost surely, 2^857505528083 is an apocalyptic number.

857505528083 is a deficient number, since it is larger than the sum of its proper divisors (2415205).

857505528083 is a wasteful number, since it uses less digits than its factorization.

857505528083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415204.

The product of its (nonzero) digits is 13440000, while the sum is 56.

The spelling of 857505528083 in words is "eight hundred fifty-seven billion, five hundred five million, five hundred twenty-eight thousand, eighty-three".