857949083 has 4 divisors (see below), whose sum is σ = 858008520. Its totient is φ = 857889648.

The previous prime is 857949077. The next prime is 857949089. The reversal of 857949083 is 380949758.

857949083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (857949077) and next prime (857949089).

It is a cyclic number.

It is not a de Polignac number, because 857949083 - 2⁸ = 857948827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (857949089) 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, 7328 + ... + 42066.

It is an arithmetic number, because the mean of its divisors is an integer number (214502130).

Almost surely, 2^857949083 is an apocalyptic number.

857949083 is a deficient number, since it is larger than the sum of its proper divisors (59437).

857949083 is a wasteful number, since it uses less digits than its factorization.

857949083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59436.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The square root of 857949083 is about 29290.7678799993. The cubic root of 857949083 is about 950.2119870418.

The spelling of 857949083 in words is "eight hundred fifty-seven million, nine hundred forty-nine thousand, eighty-three".