478727451 has 48 divisors (see below), whose sum is σ = 757665792. Its totient is φ = 290347200.

The previous prime is 478727441. The next prime is 478727453. The reversal of 478727451 is 154727874.

It is not a de Polignac number, because 478727451 - 2⁵ = 478727419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478727397 and 478727406.

It is not an unprimeable number, because it can be changed into a prime (478727453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 390826 + ... + 392048.

It is an arithmetic number, because the mean of its divisors is an integer number (15784704).

Almost surely, 2^478727451 is an apocalyptic number.

478727451 is a deficient number, since it is larger than the sum of its proper divisors (278938341).

478727451 is a wasteful number, since it uses less digits than its factorization.

478727451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1341 counting only the distinct ones).

The product of its digits is 439040, while the sum is 45.

The square root of 478727451 is about 21879.8412014347. The cubic root of 478727451 is about 782.2809907420.

The spelling of 478727451 in words is "four hundred seventy-eight million, seven hundred twenty-seven thousand, four hundred fifty-one".