887117663 has 2 divisors, whose sum is σ = 887117664. Its totient is φ = 887117662.

The previous prime is 887117629. The next prime is 887117677. The reversal of 887117663 is 366711788.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 887117663 - 2¹⁰ = 887116639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (887917663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443558831 + 443558832.

It is an arithmetic number, because the mean of its divisors is an integer number (443558832).

Almost surely, 2^887117663 is an apocalyptic number.

887117663 is a deficient number, since it is larger than the sum of its proper divisors (1).

887117663 is an equidigital number, since it uses as much as digits as its factorization.

887117663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 887117663 is about 29784.5205266091. The cubic root of 887117663 is about 960.8606514346.

The spelling of 887117663 in words is "eight hundred eighty-seven million, one hundred seventeen thousand, six hundred sixty-three".