63978302 has 8 divisors (see below), whose sum is σ = 97594200. Its totient is φ = 31446904.

The previous prime is 63978289. The next prime is 63978307. The reversal of 63978302 is 20387936.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63978307) 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, 270977 + ... + 271212.

It is an arithmetic number, because the mean of its divisors is an integer number (12199275).

Almost surely, 2^63978302 is an apocalyptic number.

63978302 is a deficient number, since it is larger than the sum of its proper divisors (33615898).

63978302 is a wasteful number, since it uses less digits than its factorization.

63978302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542250.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 63978302 is about 7998.6437600383. The cubic root of 63978302 is about 399.9547907238.

The spelling of 63978302 in words is "sixty-three million, nine hundred seventy-eight thousand, three hundred two".