63978162 has 8 divisors (see below), whose sum is σ = 127956336. Its totient is φ = 21326052.

The previous prime is 63978151. The next prime is 63978179. The reversal of 63978162 is 26187936.

It is a happy number.

63978162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

63978162 is an admirable number.

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, 5331508 + ... + 5331519.

It is an arithmetic number, because the mean of its divisors is an integer number (15994542).

Almost surely, 2^63978162 is an apocalyptic number.

63978162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63978162 is a wasteful number, since it uses less digits than its factorization.

63978162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10663032.

The product of its digits is 108864, while the sum is 42.

The square root of 63978162 is about 7998.6350085499. The cubic root of 63978162 is about 399.9544989910.

The spelling of 63978162 in words is "sixty-three million, nine hundred seventy-eight thousand, one hundred sixty-two".