472878347 has 2 divisors, whose sum is σ = 472878348. Its totient is φ = 472878346.

The previous prime is 472878331. The next prime is 472878377. The reversal of 472878347 is 743878274.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 472878347 - 2⁴ = 472878331 is a prime.

It is a super-2 number, since 2×472878347² = 447227862122904818, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 472878295 and 472878304.

It is not a weakly prime, because it can be changed into another prime (472878377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236439173 + 236439174.

It is an arithmetic number, because the mean of its divisors is an integer number (236439174).

Almost surely, 2^472878347 is an apocalyptic number.

472878347 is a deficient number, since it is larger than the sum of its proper divisors (1).

472878347 is an equidigital number, since it uses as much as digits as its factorization.

472878347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2107392, while the sum is 50.

The square root of 472878347 is about 21745.7661856280. The cubic root of 472878347 is about 779.0819502443.

The spelling of 472878347 in words is "four hundred seventy-two million, eight hundred seventy-eight thousand, three hundred forty-seven".