858992941 has 2 divisors, whose sum is σ = 858992942. Its totient is φ = 858992940.

The previous prime is 858992933. The next prime is 858992947. The reversal of 858992941 is 149299858.

858992941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 796424841 + 62568100 = 28221^2 + 7910^2 .

It is a cyclic number.

It is not a de Polignac number, because 858992941 - 2³ = 858992933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (858992947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429496470 + 429496471.

It is an arithmetic number, because the mean of its divisors is an integer number (429496471).

Almost surely, 2^858992941 is an apocalyptic number.

It is an amenable number.

858992941 is a deficient number, since it is larger than the sum of its proper divisors (1).

858992941 is an equidigital number, since it uses as much as digits as its factorization.

858992941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 55.

The square root of 858992941 is about 29308.5813542723. The cubic root of 858992941 is about 950.5972019701.

The spelling of 858992941 in words is "eight hundred fifty-eight million, nine hundred ninety-two thousand, nine hundred forty-one".