885049961 has 2 divisors, whose sum is σ = 885049962. Its totient is φ = 885049960.

The previous prime is 885049933. The next prime is 885049981. The reversal of 885049961 is 169940588.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883278400 + 1771561 = 29720^2 + 1331^2 .

It is a cyclic number.

It is not a de Polignac number, because 885049961 - 2²⁶ = 817941097 is a prime.

It is a super-2 number, since 2×885049961² = 1566626866932203042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (885049931) 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, 442524980 + 442524981.

It is an arithmetic number, because the mean of its divisors is an integer number (442524981).

Almost surely, 2^885049961 is an apocalyptic number.

It is an amenable number.

885049961 is a deficient number, since it is larger than the sum of its proper divisors (1).

885049961 is an equidigital number, since it uses as much as digits as its factorization.

885049961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 885049961 is about 29749.7892597578. The cubic root of 885049961 is about 960.1135430662.

The spelling of 885049961 in words is "eight hundred eighty-five million, forty-nine thousand, nine hundred sixty-one".