885940061 has 2 divisors, whose sum is σ = 885940062. Its totient is φ = 885940060.

The previous prime is 885940043. The next prime is 885940063. The reversal of 885940061 is 160049588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 843612025 + 42328036 = 29045^2 + 6506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-885940061 is a prime.

Together with 885940063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885940063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442970030 + 442970031.

It is an arithmetic number, because the mean of its divisors is an integer number (442970031).

Almost surely, 2^885940061 is an apocalyptic number.

It is an amenable number.

885940061 is a deficient number, since it is larger than the sum of its proper divisors (1).

885940061 is an equidigital number, since it uses as much as digits as its factorization.

885940061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 885940061 is about 29764.7452702018. The cubic root of 885940061 is about 960.4352991897.

The spelling of 885940061 in words is "eight hundred eighty-five million, nine hundred forty thousand, sixty-one".