63846479 has 4 divisors (see below), whose sum is σ = 67206840. Its totient is φ = 60486120.

The previous prime is 63846449. The next prime is 63846491. The reversal of 63846479 is 97464836.

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

It is not a de Polignac number, because 63846479 - 2¹⁶ = 63780943 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 (63846449) 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, 1680152 + ... + 1680189.

It is an arithmetic number, because the mean of its divisors is an integer number (16801710).

Almost surely, 2^63846479 is an apocalyptic number.

63846479 is a deficient number, since it is larger than the sum of its proper divisors (3360361).

63846479 is a wasteful number, since it uses less digits than its factorization.

63846479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360360.

The product of its digits is 870912, while the sum is 47.

The square root of 63846479 is about 7990.3991765118. The cubic root of 63846479 is about 399.6799085052.

The spelling of 63846479 in words is "sixty-three million, eight hundred forty-six thousand, four hundred seventy-nine".