858794983 has 2 divisors, whose sum is σ = 858794984. Its totient is φ = 858794982.

The previous prime is 858794971. The next prime is 858795037. The reversal of 858794983 is 389497858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 858794983 - 2¹³ = 858786791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (858794903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429397491 + 429397492.

It is an arithmetic number, because the mean of its divisors is an integer number (429397492).

Almost surely, 2^858794983 is an apocalyptic number.

858794983 is a deficient number, since it is larger than the sum of its proper divisors (1).

858794983 is an equidigital number, since it uses as much as digits as its factorization.

858794983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 61.

The square root of 858794983 is about 29305.2040259064. The cubic root of 858794983 is about 950.5241735165.

The spelling of 858794983 in words is "eight hundred fifty-eight million, seven hundred ninety-four thousand, nine hundred eighty-three".