63877488 has 80 divisors (see below), whose sum is σ = 172682400. Its totient is φ = 20321280.

The previous prime is 63877481. The next prime is 63877501. The reversal of 63877488 is 88477836.

It is a self number, because there is not a number n which added to its sum of digits gives 63877488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63877481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151518 + ... + 151938.

It is an arithmetic number, because the mean of its divisors is an integer number (2158530).

Almost surely, 2^63877488 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 63877488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86341200).

63877488 is an abundant number, since it is smaller than the sum of its proper divisors (108804912).

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

63877488 is a wasteful number, since it uses less digits than its factorization.

63877488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 564 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 63877488 is about 7992.3393321355. The cubic root of 63877488 is about 399.7446036331.

The spelling of 63877488 in words is "sixty-three million, eight hundred seventy-seven thousand, four hundred eighty-eight".