478852648 has 8 divisors (see below), whose sum is σ = 897848730. Its totient is φ = 239426320.

The previous prime is 478852643. The next prime is 478852679. The reversal of 478852648 is 846258874.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 476898244 + 1954404 = 21838^2 + 1398^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×478852648² = 458599716993223808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478852595 and 478852604.

It is not an unprimeable number, because it can be changed into a prime (478852643) 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 as a sum of consecutive naturals, namely, 29928283 + ... + 29928298.

Almost surely, 2^478852648 is an apocalyptic number.

It is an amenable number.

478852648 is a deficient number, since it is larger than the sum of its proper divisors (418996082).

478852648 is a wasteful number, since it uses less digits than its factorization.

478852648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59856587 (or 59856583 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 52.

The square root of 478852648 is about 21882.7020269436. The cubic root of 478852648 is about 782.3491789470.

The spelling of 478852648 in words is "four hundred seventy-eight million, eight hundred fifty-two thousand, six hundred forty-eight".