87968527663 has 4 divisors (see below), whose sum is σ = 87969304800. Its totient is φ = 87967750528.

The previous prime is 87968527643. The next prime is 87968527667. The reversal of 87968527663 is 36672586978.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36672586978 = 2 ⋅18336293489.

It is a cyclic number.

It is not a de Polignac number, because 87968527663 - 2⁹ = 87968527151 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87968527667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182263 + ... + 457336.

It is an arithmetic number, because the mean of its divisors is an integer number (21992326200).

Almost surely, 2^87968527663 is an apocalyptic number.

87968527663 is a deficient number, since it is larger than the sum of its proper divisors (777137).

87968527663 is a wasteful number, since it uses less digits than its factorization.

87968527663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777136.

The product of its digits is 182891520, while the sum is 67.

The spelling of 87968527663 in words is "eighty-seven billion, nine hundred sixty-eight million, five hundred twenty-seven thousand, six hundred sixty-three".