84847793 has 2 divisors, whose sum is σ = 84847794. Its totient is φ = 84847792.

The previous prime is 84847781. The next prime is 84847801. The reversal of 84847793 is 39774848.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50367409 + 34480384 = 7097^2 + 5872^2 .

It is a cyclic number.

It is not a de Polignac number, because 84847793 - 2⁸ = 84847537 is a prime.

It is not a weakly prime, because it can be changed into another prime (84847193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42423896 + 42423897.

It is an arithmetic number, because the mean of its divisors is an integer number (42423897).

Almost surely, 2^84847793 is an apocalyptic number.

It is an amenable number.

84847793 is a deficient number, since it is larger than the sum of its proper divisors (1).

84847793 is an equidigital number, since it uses as much as digits as its factorization.

84847793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The square root of 84847793 is about 9211.2861751223. The cubic root of 84847793 is about 439.4203679580.

The spelling of 84847793 in words is "eighty-four million, eight hundred forty-seven thousand, seven hundred ninety-three".