857945083 has 2 divisors, whose sum is σ = 857945084. Its totient is φ = 857945082.

The previous prime is 857945063. The next prime is 857945087. The reversal of 857945083 is 380549758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 857945083 - 2¹⁷ = 857814011 is a prime.

It is not a weakly prime, because it can be changed into another prime (857945087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428972541 + 428972542.

It is an arithmetic number, because the mean of its divisors is an integer number (428972542).

Almost surely, 2^857945083 is an apocalyptic number.

857945083 is a deficient number, since it is larger than the sum of its proper divisors (1).

857945083 is an equidigital number, since it uses as much as digits as its factorization.

857945083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 857945083 is about 29290.6995990195. The cubic root of 857945083 is about 950.2105103210.

The spelling of 857945083 in words is "eight hundred fifty-seven million, nine hundred forty-five thousand, eighty-three".