478821748 has 12 divisors (see below), whose sum is σ = 839077120. Its totient is φ = 239085432.

The previous prime is 478821743. The next prime is 478821767. The reversal of 478821748 is 847128874.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478821743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78036 + ... + 83947.

Almost surely, 2^478821748 is an apocalyptic number.

It is an amenable number.

478821748 is a deficient number, since it is larger than the sum of its proper divisors (360255372).

478821748 is a wasteful number, since it uses less digits than its factorization.

478821748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162726 (or 162724 counting only the distinct ones).

The product of its digits is 802816, while the sum is 49.

The square root of 478821748 is about 21881.9959784294. The cubic root of 478821748 is about 782.3323504510.

The spelling of 478821748 in words is "four hundred seventy-eight million, eight hundred twenty-one thousand, seven hundred forty-eight".