63874427992 has 8 divisors (see below), whose sum is σ = 119764552500. Its totient is φ = 31937213992.

The previous prime is 63874427987. The next prime is 63874428017. The reversal of 63874427992 is 29972447836.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 63874427992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3992151742 + ... + 3992151757.

Almost surely, 2^63874427992 is an apocalyptic number.

It is an amenable number.

63874427992 is a deficient number, since it is larger than the sum of its proper divisors (55890124508).

63874427992 is a wasteful number, since it uses less digits than its factorization.

63874427992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7984303505 (or 7984303501 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 61.

The spelling of 63874427992 in words is "sixty-three billion, eight hundred seventy-four million, four hundred twenty-seven thousand, nine hundred ninety-two".