10885997 has 2 divisors, whose sum is σ = 10885998. Its totient is φ = 10885996.

The previous prime is 10885943. The next prime is 10886011. The reversal of 10885997 is 79958801.

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., 9554281 + 1331716 = 3091^2 + 1154^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10885997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10885907) 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, 5442998 + 5442999.

It is an arithmetic number, because the mean of its divisors is an integer number (5442999).

Almost surely, 2^10885997 is an apocalyptic number.

It is an amenable number.

10885997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10885997 is an equidigital number, since it uses as much as digits as its factorization.

10885997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 10885997 is about 3299.3934291018. The cubic root of 10885997 is about 221.6270352072.

The spelling of 10885997 in words is "ten million, eight hundred eighty-five thousand, nine hundred ninety-seven".