4715809478 has 16 divisors (see below), whose sum is σ = 7114461120. Its totient is φ = 2344336896.

The previous prime is 4715809477. The next prime is 4715809487. The reversal of 4715809478 is 8749085174.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4715809477) 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, 1201976 + ... + 1205892.

It is an arithmetic number, because the mean of its divisors is an integer number (444653820).

Almost surely, 2^4715809478 is an apocalyptic number.

4715809478 is a deficient number, since it is larger than the sum of its proper divisors (2398651642).

4715809478 is a wasteful number, since it uses less digits than its factorization.

4715809478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The square root of 4715809478 is about 68671.7516741782. The cubic root of 4715809478 is about 1676.9447349669.

The spelling of 4715809478 in words is "four billion, seven hundred fifteen million, eight hundred nine thousand, four hundred seventy-eight".