87008742063 has 24 divisors (see below), whose sum is σ = 132310830080. Its totient is φ = 54945896400.

The previous prime is 87008742043. The next prime is 87008742089. The reversal of 87008742063 is 36024780078.

It is a happy number.

It is not a de Polignac number, because 87008742063 - 2⁹ = 87008741551 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 (87008742043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1537020 + ... + 1592622.

Almost surely, 2^87008742063 is an apocalyptic number.

87008742063 is a deficient number, since it is larger than the sum of its proper divisors (45302088017).

87008742063 is a wasteful number, since it uses less digits than its factorization.

87008742063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64779 (or 64776 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 87008742063 in words is "eighty-seven billion, eight million, seven hundred forty-two thousand, sixty-three".