63679711 has 4 divisors (see below), whose sum is σ = 63700192. Its totient is φ = 63659232.

The previous prime is 63679691. The next prime is 63679729. The reversal of 63679711 is 11797636.

It is a happy number.

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 63679711 - 2⁹ = 63679199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63671711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4506 + ... + 12151.

It is an arithmetic number, because the mean of its divisors is an integer number (15925048).

Almost surely, 2^63679711 is an apocalyptic number.

63679711 is a deficient number, since it is larger than the sum of its proper divisors (20481).

63679711 is a wasteful number, since it uses less digits than its factorization.

63679711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20480.

The product of its digits is 47628, while the sum is 40.

The square root of 63679711 is about 7979.9568294572. The cubic root of 63679711 is about 399.3316150259.

The spelling of 63679711 in words is "sixty-three million, six hundred seventy-nine thousand, seven hundred eleven".