63678106 has 4 divisors (see below), whose sum is σ = 95517162. Its totient is φ = 31839052.

The previous prime is 63678103. The next prime is 63678137. The reversal of 63678106 is 60187636.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32775625 + 30902481 = 5725^2 + 5559^2 .

It is not an unprimeable number, because it can be changed into a prime (63678103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15919525 + ... + 15919528.

Almost surely, 2^63678106 is an apocalyptic number.

63678106 is a deficient number, since it is larger than the sum of its proper divisors (31839056).

63678106 is a wasteful number, since it uses less digits than its factorization.

63678106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31839055.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 63678106 is about 7979.8562643697. The cubic root of 63678106 is about 399.3282600451.

The spelling of 63678106 in words is "sixty-three million, six hundred seventy-eight thousand, one hundred six".