478858723 has 12 divisors (see below), whose sum is σ = 566175072. Its totient is φ = 403719120.

The previous prime is 478858717. The next prime is 478858739. The reversal of 478858723 is 327858874.

It is a de Polignac number, because none of the positive numbers 2^k-478858723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478858123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77115 + ... + 83092.

It is an arithmetic number, because the mean of its divisors is an integer number (47181256).

Almost surely, 2^478858723 is an apocalyptic number.

478858723 is a deficient number, since it is larger than the sum of its proper divisors (87316349).

478858723 is a wasteful number, since it uses less digits than its factorization.

478858723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160282 (or 160275 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 52.

The square root of 478858723 is about 21882.8408347728. The cubic root of 478858723 is about 782.3524873768.

The spelling of 478858723 in words is "four hundred seventy-eight million, eight hundred fifty-eight thousand, seven hundred twenty-three".