478731451 has 8 divisors (see below), whose sum is σ = 522448704. Its totient is φ = 435046920.

The previous prime is 478731403. The next prime is 478731469. The reversal of 478731451 is 154137874.

It is a happy number.

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

It is not a de Polignac number, because 478731451 - 2⁹ = 478730939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478731401) 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, 30316 + ... + 43318.

It is an arithmetic number, because the mean of its divisors is an integer number (65306088).

Almost surely, 2^478731451 is an apocalyptic number.

478731451 is a deficient number, since it is larger than the sum of its proper divisors (43717253).

478731451 is a wasteful number, since it uses less digits than its factorization.

478731451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16361.

The product of its digits is 94080, while the sum is 40.

The square root of 478731451 is about 21879.9326095854. The cubic root of 478731451 is about 782.2831695149.

The spelling of 478731451 in words is "four hundred seventy-eight million, seven hundred thirty-one thousand, four hundred fifty-one".