63278880 has 192 divisors, whose sum is σ = 234420480. Its totient is φ = 14045184.

The previous prime is 63278869. The next prime is 63278923. The reversal of 63278880 is 8887236.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 124066 + ... + 124574.

It is an arithmetic number, because the mean of its divisors is an integer number (1220940).

Almost surely, 2^63278880 is an apocalyptic number.

63278880 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 63278880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117210240).

63278880 is an abundant number, since it is smaller than the sum of its proper divisors (171141600).

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

63278880 is a wasteful number, since it uses less digits than its factorization.

63278880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 63278880 is about 7954.8023231253. The cubic root of 63278880 is about 398.4919885650.

The spelling of 63278880 in words is "sixty-three million, two hundred seventy-eight thousand, eight hundred eighty".