63285880 has 128 divisors (see below), whose sum is σ = 175841280. Its totient is φ = 20021760.

The previous prime is 63285851. The next prime is 63285881. The reversal of 63285880 is 8858236.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63285881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199482 + ... + 199798.

It is an arithmetic number, because the mean of its divisors is an integer number (1373760).

Almost surely, 2^63285880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63285880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87920640).

63285880 is an abundant number, since it is smaller than the sum of its proper divisors (112555400).

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

63285880 is a wasteful number, since it uses less digits than its factorization.

63285880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 63285880 is about 7955.2422967500. The cubic root of 63285880 is about 398.5066819406.

The spelling of 63285880 in words is "sixty-three million, two hundred eighty-five thousand, eight hundred eighty".