63999999999892 has 24 divisors (see below), whose sum is σ = 122385115766592. Its totient is φ = 29042504904000.

The previous prime is 63999999999839. The next prime is 63999999999907. The reversal of 63999999999892 is 29899999999936.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1210077928 + ... + 1210130815.

It is an arithmetic number, because the mean of its divisors is an integer number (5099379823608).

Almost surely, 2^{63999999999892} is an apocalyptic number.

It is an amenable number.

63999999999892 is a deficient number, since it is larger than the sum of its proper divisors (58385115766700).

63999999999892 is a wasteful number, since it uses less digits than its factorization.

63999999999892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420209359 (or 2420209357 counting only the distinct ones).

The product of its digits is 1004193907488, while the sum is 109.

The spelling of 63999999999892 in words is "sixty-three trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred ninety-two".