63979478 has 8 divisors (see below), whose sum is σ = 96134472. Its totient is φ = 31934656.

The previous prime is 63979469. The next prime is 63979499. The reversal of 63979478 is 87497936.

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, 26075 + ... + 28422.

It is an arithmetic number, because the mean of its divisors is an integer number (12016809).

Almost surely, 2^63979478 is an apocalyptic number.

63979478 is a deficient number, since it is larger than the sum of its proper divisors (32154994).

63979478 is a wasteful number, since it uses less digits than its factorization.

63979478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55086.

The product of its digits is 2286144, while the sum is 53.

The square root of 63979478 is about 7998.7172721631. The cubic root of 63979478 is about 399.9572412627.

The spelling of 63979478 in words is "sixty-three million, nine hundred seventy-nine thousand, four hundred seventy-eight".