63678892 has 12 divisors (see below), whose sum is σ = 112061880. Its totient is φ = 31661216.

The previous prime is 63678859. The next prime is 63678893. The reversal of 63678892 is 29887636.

It is not an unprimeable number, because it can be changed into a prime (63678893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43753 + ... + 45184.

It is an arithmetic number, because the mean of its divisors is an integer number (9338490).

Almost surely, 2^63678892 is an apocalyptic number.

It is an amenable number.

63678892 is a deficient number, since it is larger than the sum of its proper divisors (48382988).

63678892 is a wasteful number, since it uses less digits than its factorization.

63678892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89120 (or 89118 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 63678892 is about 7979.9055132251. The cubic root of 63678892 is about 399.3299030521.

The spelling of 63678892 in words is "sixty-three million, six hundred seventy-eight thousand, eight hundred ninety-two".