63980011 has 4 divisors (see below), whose sum is σ = 67347400. Its totient is φ = 60612624.

The previous prime is 63979963. The next prime is 63980023. The reversal of 63980011 is 11008936.

It is a happy number.

63980011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63980011 - 2⁹ = 63979499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63980041) 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 3 ways as a sum of consecutive naturals, for example, 1683666 + ... + 1683703.

It is an arithmetic number, because the mean of its divisors is an integer number (16836850).

Almost surely, 2^63980011 is an apocalyptic number.

63980011 is a deficient number, since it is larger than the sum of its proper divisors (3367389).

63980011 is a wasteful number, since it uses less digits than its factorization.

63980011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367388.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 63980011 is about 7998.7505899359. The cubic root of 63980011 is about 399.9583519137.

Adding to 63980011 its reverse (11008936), we get a palindrome (74988947).

The spelling of 63980011 in words is "sixty-three million, nine hundred eighty thousand, eleven".