63308380 has 24 divisors (see below), whose sum is σ = 139945680. Its totient is φ = 23990400.

The previous prime is 63308359. The next prime is 63308383. The reversal of 63308380 is 8380336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63308383) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82921 + ... + 83680.

It is an arithmetic number, because the mean of its divisors is an integer number (5831070).

Almost surely, 2^63308380 is an apocalyptic number.

It is an amenable number.

63308380 is an abundant number, since it is smaller than the sum of its proper divisors (76637300).

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

63308380 is a wasteful number, since it uses less digits than its factorization.

63308380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166629 (or 166627 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 63308380 is about 7956.6563329077. The cubic root of 63308380 is about 398.5539033111.

The spelling of 63308380 in words is "sixty-three million, three hundred eight thousand, three hundred eighty".