63679378 has 16 divisors (see below), whose sum is σ = 109687104. Its totient is φ = 27160560.

The previous prime is 63679367. The next prime is 63679379. The reversal of 63679378 is 87397636.

It is not an unprimeable number, because it can be changed into a prime (63679379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7825 + ... + 13732.

It is an arithmetic number, because the mean of its divisors is an integer number (6855444).

Almost surely, 2^63679378 is an apocalyptic number.

63679378 is a deficient number, since it is larger than the sum of its proper divisors (46007726).

63679378 is a wasteful number, since it uses less digits than its factorization.

63679378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21777.

The product of its digits is 1143072, while the sum is 49.

The square root of 63679378 is about 7979.9359646554. The cubic root of 63679378 is about 399.3309189504.

The spelling of 63679378 in words is "sixty-three million, six hundred seventy-nine thousand, three hundred seventy-eight".