472789147 has 2 divisors, whose sum is σ = 472789148. Its totient is φ = 472789146.

The previous prime is 472789129. The next prime is 472789157. The reversal of 472789147 is 741987274.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 472789147 - 2⁷ = 472789019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472789147.

It is not a weakly prime, because it can be changed into another prime (472789157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236394573 + 236394574.

It is an arithmetic number, because the mean of its divisors is an integer number (236394574).

Almost surely, 2^472789147 is an apocalyptic number.

472789147 is a deficient number, since it is larger than the sum of its proper divisors (1).

472789147 is an equidigital number, since it uses as much as digits as its factorization.

472789147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 49.

The square root of 472789147 is about 21743.7151149476. The cubic root of 472789147 is about 779.0329605619.

The spelling of 472789147 in words is "four hundred seventy-two million, seven hundred eighty-nine thousand, one hundred forty-seven".