63527085648 has 120 divisors (see below), whose sum is σ = 198554979168. Its totient is φ = 19546780032.

The previous prime is 63527085581. The next prime is 63527085649. The reversal of 63527085648 is 84658072536.

63527085648 is a `hidden beast` number, since 6 + 3 + 5 + 2 + 70 + 8 + 564 + 8 = 666.

It is a super-2 number, since 2×63527085648² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 63527085594 and 63527085603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63527085649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 577890 + ... + 678977.

Almost surely, 2^63527085648 is an apocalyptic number.

It is an amenable number.

63527085648 is an abundant number, since it is smaller than the sum of its proper divisors (135027893520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63527085648 is a wasteful number, since it uses less digits than its factorization.

63527085648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256903 (or 1256885 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 63527085648 in words is "sixty-three billion, five hundred twenty-seven million, eighty-five thousand, six hundred forty-eight".