87663838600535 has 4 divisors (see below), whose sum is σ = 105196606320648. Its totient is φ = 70131070880424.

The previous prime is 87663838600501. The next prime is 87663838600561. The reversal of 87663838600535 is 53500683836678.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87663838600535 - 2¹⁶ = 87663838534999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8766383860049 + ... + 8766383860058.

It is an arithmetic number, because the mean of its divisors is an integer number (26299151580162).

Almost surely, 2^{87663838600535} is an apocalyptic number.

87663838600535 is a deficient number, since it is larger than the sum of its proper divisors (17532767720113).

87663838600535 is a wasteful number, since it uses less digits than its factorization.

87663838600535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17532767720112.

The product of its (nonzero) digits is 522547200, while the sum is 68.

The spelling of 87663838600535 in words is "eighty-seven trillion, six hundred sixty-three billion, eight hundred thirty-eight million, six hundred thousand, five hundred thirty-five".