63478795 has 4 divisors (see below), whose sum is σ = 76174560. Its totient is φ = 50783032.

The previous prime is 63478787. The next prime is 63478841. The reversal of 63478795 is 59787436.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63478795 - 2³ = 63478787 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 6347875 + ... + 6347884.

It is an arithmetic number, because the mean of its divisors is an integer number (19043640).

Almost surely, 2^63478795 is an apocalyptic number.

63478795 is a deficient number, since it is larger than the sum of its proper divisors (12695765).

63478795 is a wasteful number, since it uses less digits than its factorization.

63478795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695764.

The product of its digits is 1270080, while the sum is 49.

The square root of 63478795 is about 7967.3580941238. The cubic root of 63478795 is about 398.9111951994.

The spelling of 63478795 in words is "sixty-three million, four hundred seventy-eight thousand, seven hundred ninety-five".