63992480 has 24 divisors (see below), whose sum is σ = 151182612. Its totient is φ = 25596928.

The previous prime is 63992479. The next prime is 63992491. The reversal of 63992480 is 8429936.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58920976 + 5071504 = 7676^2 + 2252^2 .

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 3 ways as a sum of consecutive naturals, for example, 199817 + ... + 200136.

Almost surely, 2^63992480 is an apocalyptic number.

It is an amenable number.

63992480 is an abundant number, since it is smaller than the sum of its proper divisors (87190132).

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

63992480 is a wasteful number, since it uses less digits than its factorization.

63992480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399968 (or 399960 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 63992480 is about 7999.5299861929. The cubic root of 63992480 is about 399.9843327197.

The spelling of 63992480 in words is "sixty-three million, nine hundred ninety-two thousand, four hundred eighty".