478724955 has 32 divisors (see below), whose sum is σ = 784194048. Its totient is φ = 249312000.

The previous prime is 478724933. The next prime is 478724999. The reversal of 478724955 is 559427874.

It is a happy number.

It is not a de Polignac number, because 478724955 - 2⁵ = 478724923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478724898 and 478724907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111855 + ... + 116055.

It is an arithmetic number, because the mean of its divisors is an integer number (24506064).

Almost surely, 2^478724955 is an apocalyptic number.

478724955 is a deficient number, since it is larger than the sum of its proper divisors (305469093).

478724955 is a wasteful number, since it uses less digits than its factorization.

478724955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387.

The product of its digits is 2822400, while the sum is 51.

The square root of 478724955 is about 21879.7841625552. The cubic root of 478724955 is about 782.2796311815.

The spelling of 478724955 in words is "four hundred seventy-eight million, seven hundred twenty-four thousand, nine hundred fifty-five".