63995480 has 32 divisors (see below), whose sum is σ = 152461440. Its totient is φ = 24092160.

The previous prime is 63995479. The next prime is 63995483. The reversal of 63995480 is 8459936.

It is a super-3 number, since 3×63995480³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63995483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46376 + ... + 47735.

It is an arithmetic number, because the mean of its divisors is an integer number (4764420).

Almost surely, 2^63995480 is an apocalyptic number.

It is an amenable number.

63995480 is an abundant number, since it is smaller than the sum of its proper divisors (88465960).

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

63995480 is a wasteful number, since it uses less digits than its factorization.

63995480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94139 (or 94135 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 63995480 is about 7999.7174950119. The cubic root of 63995480 is about 399.9905831116.

The spelling of 63995480 in words is "sixty-three million, nine hundred ninety-five thousand, four hundred eighty".