63566564087 has 8 divisors (see below), whose sum is σ = 68462995104. Its totient is φ = 58671089568.

The previous prime is 63566564077. The next prime is 63566564099. The reversal of 63566564087 is 78046566536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63566564087 - 2⁴ = 63566564071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63566564077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98003 + ... + 369780.

It is an arithmetic number, because the mean of its divisors is an integer number (8557874388).

Almost surely, 2^63566564087 is an apocalyptic number.

63566564087 is a deficient number, since it is larger than the sum of its proper divisors (4896431017).

63566564087 is a wasteful number, since it uses less digits than its factorization.

63566564087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478249.

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 63566564087 in words is "sixty-three billion, five hundred sixty-six million, five hundred sixty-four thousand, eighty-seven".