63994542900278 has 8 divisors (see below), whose sum is σ = 96006981349080. Its totient is φ = 31992215783920.

The previous prime is 63994542900263. The next prime is 63994542900311. The reversal of 63994542900278 is 87200924549936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527817288 + ... + 2527842603.

It is an arithmetic number, because the mean of its divisors is an integer number (12000872668635).

Almost surely, 2^{63994542900278} is an apocalyptic number.

63994542900278 is a deficient number, since it is larger than the sum of its proper divisors (32012438448802).

63994542900278 is a wasteful number, since it uses less digits than its factorization.

63994542900278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055666222.

The product of its (nonzero) digits is 235146240, while the sum is 68.

The spelling of 63994542900278 in words is "sixty-three trillion, nine hundred ninety-four billion, five hundred forty-two million, nine hundred thousand, two hundred seventy-eight".