478747754 has 8 divisors (see below), whose sum is σ = 718242660. Its totient is φ = 239333536.

The previous prime is 478747739. The next prime is 478747757. The reversal of 478747754 is 457747874.

It can be written as a sum of positive squares in 2 ways, for example, as 453477025 + 25270729 = 21295^2 + 5027^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 478747696 and 478747705.

It is not an unprimeable number, because it can be changed into a prime (478747757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2099 + ... + 31014.

Almost surely, 2^478747754 is an apocalyptic number.

478747754 is a deficient number, since it is larger than the sum of its proper divisors (239494906).

478747754 is a wasteful number, since it uses less digits than its factorization.

478747754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40344.

The product of its digits is 6146560, while the sum is 53.

The square root of 478747754 is about 21880.3051624058. The cubic root of 478747754 is about 782.2920495232.

The spelling of 478747754 in words is "four hundred seventy-eight million, seven hundred forty-seven thousand, seven hundred fifty-four".