63887562625 has 16 divisors (see below), whose sum is σ = 80521116624. Its totient is φ = 50604000000.

The previous prime is 63887562593. The next prime is 63887562659. The reversal of 63887562625 is 52626578836.

It can be written as a sum of positive squares in 8 ways, for example, as 19901309184 + 43986253441 = 141072^2 + 209729^2 .

It is not a de Polignac number, because 63887562625 - 2⁵ = 63887562593 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 63887562625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2517576 + ... + 2542825.

It is an arithmetic number, because the mean of its divisors is an integer number (5032569789).

Almost surely, 2^63887562625 is an apocalyptic number.

It is an amenable number.

63887562625 is a deficient number, since it is larger than the sum of its proper divisors (16633553999).

63887562625 is a wasteful number, since it uses less digits than its factorization.

63887562625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060517 (or 5060507 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 58.

The spelling of 63887562625 in words is "sixty-three billion, eight hundred eighty-seven million, five hundred sixty-two thousand, six hundred twenty-five".