63975386143667 has 16 divisors (see below), whose sum is σ = 68462036373600. Its totient is φ = 59570599592448.

The previous prime is 63975386143651. The next prime is 63975386143789. The reversal of 63975386143667 is 76634168357936.

It is a cyclic number.

It is not a de Polignac number, because 63975386143667 - 2⁴ = 63975386143651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63975386143594 and 63975386143603.

It is not an unprimeable number, because it can be changed into a prime (63975386143967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21853292 + ... + 24607257.

It is an arithmetic number, because the mean of its divisors is an integer number (4278877273350).

Almost surely, 2^{63975386143667} is an apocalyptic number.

63975386143667 is a deficient number, since it is larger than the sum of its proper divisors (4486650229933).

63975386143667 is a wasteful number, since it uses less digits than its factorization.

63975386143667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46461430.

The product of its digits is 2469035520, while the sum is 74.

The spelling of 63975386143667 in words is "sixty-three trillion, nine hundred seventy-five billion, three hundred eighty-six million, one hundred forty-three thousand, six hundred sixty-seven".