63216775 has 12 divisors (see below), whose sum is σ = 78488032. Its totient is φ = 50509440.

The previous prime is 63216773. The next prime is 63216799. The reversal of 63216775 is 57761236.

63216775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63216775 - 2¹ = 63216773 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63216773) 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, 34687 + ... + 36463.

Almost surely, 2^63216775 is an apocalyptic number.

63216775 is a deficient number, since it is larger than the sum of its proper divisors (15271257).

63216775 is a wasteful number, since it uses less digits than its factorization.

63216775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210 (or 3205 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 63216775 is about 7950.8977480534. The cubic root of 63216775 is about 398.3615793574.

The spelling of 63216775 in words is "sixty-three million, two hundred sixteen thousand, seven hundred seventy-five".