87160663 has 2 divisors, whose sum is σ = 87160664. Its totient is φ = 87160662.

The previous prime is 87160597. The next prime is 87160691. The reversal of 87160663 is 36606178.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87160663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87161663) 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, 43580331 + 43580332.

It is an arithmetic number, because the mean of its divisors is an integer number (43580332).

Almost surely, 2^87160663 is an apocalyptic number.

87160663 is a deficient number, since it is larger than the sum of its proper divisors (1).

87160663 is an equidigital number, since it uses as much as digits as its factorization.

87160663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 87160663 is about 9335.9875214141. The cubic root of 87160663 is about 443.3773551301.

The spelling of 87160663 in words is "eighty-seven million, one hundred sixty thousand, six hundred sixty-three".