63705487560 has 128 divisors (see below), whose sum is σ = 224528492160. Its totient is φ = 14255769600.

The previous prime is 63705487529. The next prime is 63705487603. The reversal of 63705487560 is 6578450736.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1839061 + ... + 1873380.

It is an arithmetic number, because the mean of its divisors is an integer number (1754128845).

Almost surely, 2^63705487560 is an apocalyptic number.

63705487560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63705487560 is an abundant number, since it is smaller than the sum of its proper divisors (160823004600).

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

63705487560 is a wasteful number, since it uses less digits than its factorization.

63705487560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712479 (or 3712475 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 63705487560 in words is "sixty-three billion, seven hundred five million, four hundred eighty-seven thousand, five hundred sixty".