63215064 has 48 divisors (see below), whose sum is σ = 186774120. Its totient is φ = 19155840.

The previous prime is 63215057. The next prime is 63215069. The reversal of 63215064 is 46051236.

63215064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63215064² = 7992288633048192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63215069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39117 + ... + 40700.

Almost surely, 2^63215064 is an apocalyptic number.

It is an amenable number.

63215064 is an abundant number, since it is smaller than the sum of its proper divisors (123559056).

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

63215064 is a wasteful number, since it uses less digits than its factorization.

63215064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79840 (or 79833 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 63215064 is about 7950.7901494128. The cubic root of 63215064 is about 398.3579853598.

The spelling of 63215064 in words is "sixty-three million, two hundred fifteen thousand, sixty-four".