84475801 has 2 divisors, whose sum is σ = 84475802. Its totient is φ = 84475800.

The previous prime is 84475747. The next prime is 84475861. The reversal of 84475801 is 10857448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84272400 + 203401 = 9180^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 84475801 - 2²¹ = 82378649 is a prime.

It is not a weakly prime, because it can be changed into another prime (84475861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42237900 + 42237901.

It is an arithmetic number, because the mean of its divisors is an integer number (42237901).

Almost surely, 2^84475801 is an apocalyptic number.

It is an amenable number.

84475801 is a deficient number, since it is larger than the sum of its proper divisors (1).

84475801 is an equidigital number, since it uses as much as digits as its factorization.

84475801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 84475801 is about 9191.0718090982. The cubic root of 84475801 is about 438.7772542816. Note that the first 3 decimals are identical.

The spelling of 84475801 in words is "eighty-four million, four hundred seventy-five thousand, eight hundred one".