478781752 has 8 divisors (see below), whose sum is σ = 897715800. Its totient is φ = 239390872.

The previous prime is 478781729. The next prime is 478781753. The reversal of 478781752 is 257187874.

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

It is a junction number, because it is equal to n+sod(n) for n = 478781696 and 478781705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478781753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29923852 + ... + 29923867.

It is an arithmetic number, because the mean of its divisors is an integer number (112214475).

Almost surely, 2^478781752 is an apocalyptic number.

It is an amenable number.

478781752 is a deficient number, since it is larger than the sum of its proper divisors (418934048).

478781752 is a wasteful number, since it uses less digits than its factorization.

478781752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59847725 (or 59847721 counting only the distinct ones).

The product of its digits is 878080, while the sum is 49.

The square root of 478781752 is about 21881.0820573389. The cubic root of 478781752 is about 782.3105670935.

The spelling of 478781752 in words is "four hundred seventy-eight million, seven hundred eighty-one thousand, seven hundred fifty-two".