87885918663 has 16 divisors (see below), whose sum is σ = 120436531200. Its totient is φ = 56965281696.

The previous prime is 87885918649. The next prime is 87885918667. The reversal of 87885918663 is 36681958878.

It is not a de Polignac number, because 87885918663 - 2⁴ = 87885918647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87885918667) 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 in 15 ways as a sum of consecutive naturals, for example, 137863 + ... + 441336.

It is an arithmetic number, because the mean of its divisors is an integer number (7527283200).

Almost surely, 2^87885918663 is an apocalyptic number.

87885918663 is a deficient number, since it is larger than the sum of its proper divisors (32550612537).

87885918663 is a wasteful number, since it uses less digits than its factorization.

87885918663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580606.

The product of its digits is 139345920, while the sum is 69.

The spelling of 87885918663 in words is "eighty-seven billion, eight hundred eighty-five million, nine hundred eighteen thousand, six hundred sixty-three".