850036961 has 2 divisors, whose sum is σ = 850036962. Its totient is φ = 850036960.

The previous prime is 850036931. The next prime is 850036981. The reversal of 850036961 is 169630058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 849372736 + 664225 = 29144^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 850036961 - 2⁶ = 850036897 is a prime.

It is a super-2 number, since 2×850036961² = 1445125670132231042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (850036931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425018480 + 425018481.

It is an arithmetic number, because the mean of its divisors is an integer number (425018481).

Almost surely, 2^850036961 is an apocalyptic number.

It is an amenable number.

850036961 is a deficient number, since it is larger than the sum of its proper divisors (1).

850036961 is an equidigital number, since it uses as much as digits as its factorization.

850036961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 850036961 is about 29155.3933432564. The cubic root of 850036961 is about 947.2819671757.

The spelling of 850036961 in words is "eight hundred fifty million, thirty-six thousand, nine hundred sixty-one".