478495047 has 8 divisors (see below), whose sum is σ = 639026560. Its totient is φ = 318480120.

The previous prime is 478495037. The next prime is 478495079. The reversal of 478495047 is 740594874.

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

It is not a de Polignac number, because 478495047 - 2⁸ = 478494791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478494987 and 478495005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478495037) 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, 126979 + ... + 130692.

It is an arithmetic number, because the mean of its divisors is an integer number (79878320).

Almost surely, 2^478495047 is an apocalyptic number.

478495047 is a deficient number, since it is larger than the sum of its proper divisors (160531513).

478495047 is a wasteful number, since it uses less digits than its factorization.

478495047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258293.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The square root of 478495047 is about 21874.5296406574. The cubic root of 478495047 is about 782.1543810125.

The spelling of 478495047 in words is "four hundred seventy-eight million, four hundred ninety-five thousand, forty-seven".