63135530887 has 18 divisors (see below), whose sum is σ = 75145786296. Its totient is φ = 52980847920.

The previous prime is 63135530881. The next prime is 63135530897. The reversal of 63135530887 is 78803553136.

It is a happy number.

It is not a de Polignac number, because 63135530887 - 2²⁷ = 63001313159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63135530887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63135530881) 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 17 ways as a sum of consecutive naturals, for example, 1523283 + ... + 1564180.

Almost surely, 2^63135530887 is an apocalyptic number.

63135530887 is a deficient number, since it is larger than the sum of its proper divisors (12010255409).

63135530887 is a wasteful number, since it uses less digits than its factorization.

63135530887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087511 (or 3087487 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 63135530887 in words is "sixty-three billion, one hundred thirty-five million, five hundred thirty thousand, eight hundred eighty-seven".