63979509327 has 16 divisors (see below), whose sum is σ = 85514327040. Its totient is φ = 42548913792.

The previous prime is 63979509313. The next prime is 63979509337. The reversal of 63979509327 is 72390597936.

It is not a de Polignac number, because 63979509327 - 2⁴ = 63979509311 is a prime.

It is a super-2 number, since 2×63979509327² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63979509337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5306568 + ... + 5318610.

It is an arithmetic number, because the mean of its divisors is an integer number (5344645440).

Almost surely, 2^63979509327 is an apocalyptic number.

63979509327 is a deficient number, since it is larger than the sum of its proper divisors (21534817713).

63979509327 is a wasteful number, since it uses less digits than its factorization.

63979509327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16222.

The product of its (nonzero) digits is 19289340, while the sum is 60.

The spelling of 63979509327 in words is "sixty-three billion, nine hundred seventy-nine million, five hundred nine thousand, three hundred twenty-seven".