478807 has 8 divisors (see below), whose sum is σ = 555296. Its totient is φ = 404352.

The previous prime is 478801. The next prime is 478811. The reversal of 478807 is 708874.

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

It is a cyclic number.

It is not a de Polignac number, because 478807 - 2⁷ = 478679 is a prime.

It is a super-2 number, since 2×478807² = 458512286498, which contains 22 as substring.

478807 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478801) 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, 43 + ... + 979.

It is an arithmetic number, because the mean of its divisors is an integer number (69412).

2⁴⁷⁸⁸⁰⁷ is an apocalyptic number.

478807 is a deficient number, since it is larger than the sum of its proper divisors (76489).

478807 is an equidigital number, since it uses as much as digits as its factorization.

478807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 478807 is about 691.9588138032. The cubic root of 478807 is about 78.2324318265.

The spelling of 478807 in words is "four hundred seventy-eight thousand, eight hundred seven".