84613693 has 2 divisors, whose sum is σ = 84613694. Its totient is φ = 84613692.

The previous prime is 84613679. The next prime is 84613703. The reversal of 84613693 is 39631648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55905529 + 28708164 = 7477^2 + 5358^2 .

It is a cyclic number.

It is not a de Polignac number, because 84613693 - 2²¹ = 82516541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84613393) 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, 42306846 + 42306847.

It is an arithmetic number, because the mean of its divisors is an integer number (42306847).

Almost surely, 2^84613693 is an apocalyptic number.

It is an amenable number.

84613693 is a deficient number, since it is larger than the sum of its proper divisors (1).

84613693 is an equidigital number, since it uses as much as digits as its factorization.

84613693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 84613693 is about 9198.5701606282. The cubic root of 84613693 is about 439.0158669241.

The spelling of 84613693 in words is "eighty-four million, six hundred thirteen thousand, six hundred ninety-three".