63587880 has 96 divisors (see below), whose sum is σ = 208058760. Its totient is φ = 16842240.

The previous prime is 63587879. The next prime is 63587897. The reversal of 63587880 is 8878536.

63587880 is a `hidden beast` number, since 63 + 587 + 8 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 61496964 + 2090916 = 7842^2 + 1446^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61770 + ... + 62790.

Almost surely, 2^63587880 is an apocalyptic number.

63587880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63587880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104029380).

63587880 is an abundant number, since it is smaller than the sum of its proper divisors (144470880).

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

63587880 is a wasteful number, since it uses less digits than its factorization.

63587880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211 (or 1204 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 63587880 is about 7974.2009004038. The cubic root of 63587880 is about 399.1395671320.

The spelling of 63587880 in words is "sixty-three million, five hundred eighty-seven thousand, eight hundred eighty".