63466679 has 4 divisors (see below), whose sum is σ = 63492384. Its totient is φ = 63440976.

The previous prime is 63466673. The next prime is 63466681. The reversal of 63466679 is 97666436.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63466679 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 (63466673) 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, 8702 + ... + 14235.

It is an arithmetic number, because the mean of its divisors is an integer number (15873096).

Almost surely, 2^63466679 is an apocalyptic number.

63466679 is a deficient number, since it is larger than the sum of its proper divisors (25705).

63466679 is a wasteful number, since it uses less digits than its factorization.

63466679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25704.

The product of its digits is 979776, while the sum is 47.

The square root of 63466679 is about 7966.5977054198. The cubic root of 63466679 is about 398.8858139385.

The spelling of 63466679 in words is "sixty-three million, four hundred sixty-six thousand, six hundred seventy-nine".