472798809 has 32 divisors (see below), whose sum is σ = 801812480. Its totient is φ = 269730000.

The previous prime is 472798789. The next prime is 472798819. The reversal of 472798809 is 908897274.

472798809 is a `hidden beast` number, since 472 + 7 + 98 + 80 + 9 = 666.

It is not a de Polignac number, because 472798809 - 2⁷ = 472798681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472798819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140274 + ... + 143604.

It is an arithmetic number, because the mean of its divisors is an integer number (25056640).

Almost surely, 2^472798809 is an apocalyptic number.

It is an amenable number.

472798809 is a deficient number, since it is larger than the sum of its proper divisors (329013671).

472798809 is a wasteful number, since it uses less digits than its factorization.

472798809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098 (or 4092 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 472798809 is about 21743.9372929559. The cubic root of 472798809 is about 779.0382673428.

The spelling of 472798809 in words is "four hundred seventy-two million, seven hundred ninety-eight thousand, eight hundred nine".