63770216 has 16 divisors (see below), whose sum is σ = 120017700. Its totient is φ = 31765504.

The previous prime is 63770207. The next prime is 63770221. The reversal of 63770216 is 61207736.

63770216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 63266116 + 504100 = 7954^2 + 710^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12665 + ... + 16968.

Almost surely, 2^63770216 is an apocalyptic number.

It is an amenable number.

63770216 is a deficient number, since it is larger than the sum of its proper divisors (56247484).

63770216 is a wasteful number, since it uses less digits than its factorization.

63770216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29908 (or 29904 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 63770216 is about 7985.6255860139. The cubic root of 63770216 is about 399.5207092637.

The spelling of 63770216 in words is "sixty-three million, seven hundred seventy thousand, two hundred sixteen".