478745801 has 8 divisors (see below), whose sum is σ = 481221000. Its totient is φ = 476277760.

The previous prime is 478745783. The next prime is 478745809. The reversal of 478745801 is 108547874.

It can be written as a sum of positive squares in 4 ways, for example, as 19758025 + 458987776 = 4445^2 + 21424^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478745801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478745809) 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, 173291 + ... + 176031.

It is an arithmetic number, because the mean of its divisors is an integer number (60152625).

Almost surely, 2^478745801 is an apocalyptic number.

It is an amenable number.

478745801 is a deficient number, since it is larger than the sum of its proper divisors (2475199).

478745801 is a wasteful number, since it uses less digits than its factorization.

478745801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579.

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 478745801 is about 21880.2605331838. The cubic root of 478745801 is about 782.2909857630.

The spelling of 478745801 in words is "four hundred seventy-eight million, seven hundred forty-five thousand, eight hundred one".