63479988 has 216 divisors, whose sum is σ = 203330400. Its totient is φ = 16536960.

The previous prime is 63479957. The next prime is 63480017. The reversal of 63479988 is 88997436.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 1075903 + ... + 1075961.

Almost surely, 2^63479988 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 63479988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101665200).

63479988 is an abundant number, since it is smaller than the sum of its proper divisors (139850412).

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

63479988 is a wasteful number, since it uses less digits than its factorization.

63479988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 107 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 63479988 is about 7967.4329617512. The cubic root of 63479988 is about 398.9136941865.

The spelling of 63479988 in words is "sixty-three million, four hundred seventy-nine thousand, nine hundred eighty-eight".