84475747 has 2 divisors, whose sum is σ = 84475748. Its totient is φ = 84475746.

The previous prime is 84475733. The next prime is 84475801. The reversal of 84475747 is 74757448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84475747 - 2¹⁹ = 83951459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84475697 and 84475706.

It is not a weakly prime, because it can be changed into another prime (84475147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42237873 + 42237874.

It is an arithmetic number, because the mean of its divisors is an integer number (42237874).

Almost surely, 2^84475747 is an apocalyptic number.

84475747 is a deficient number, since it is larger than the sum of its proper divisors (1).

84475747 is an equidigital number, since it uses as much as digits as its factorization.

84475747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 878080, while the sum is 46.

The square root of 84475747 is about 9191.0688714643. The cubic root of 84475747 is about 438.7771607875. Note that the first 3 decimals are identical.

The spelling of 84475747 in words is "eighty-four million, four hundred seventy-five thousand, seven hundred forty-seven".