478817445 has 16 divisors (see below), whose sum is σ = 771959232. Its totient is φ = 253418880.

The previous prime is 478817441. The next prime is 478817459. The reversal of 478817445 is 544718874.

It is not a de Polignac number, because 478817445 - 2² = 478817441 is a prime.

It is a super-2 number, since 2×478817445² = 458532291272656050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 478817394 and 478817403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478817441) 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 15 ways as a sum of consecutive naturals, for example, 119872 + ... + 123801.

It is an arithmetic number, because the mean of its divisors is an integer number (48247452).

Almost surely, 2^478817445 is an apocalyptic number.

It is an amenable number.

478817445 is a deficient number, since it is larger than the sum of its proper divisors (293141787).

478817445 is a wasteful number, since it uses less digits than its factorization.

478817445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243812.

The product of its digits is 1003520, while the sum is 48.

The square root of 478817445 is about 21881.8976553680. The cubic root of 478817445 is about 782.3300069302.

The spelling of 478817445 in words is "four hundred seventy-eight million, eight hundred seventeen thousand, four hundred forty-five".