84685093 has 2 divisors, whose sum is σ = 84685094. Its totient is φ = 84685092.

The previous prime is 84685091. The next prime is 84685099. The reversal of 84685093 is 39058648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84327489 + 357604 = 9183^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 84685093 - 2¹ = 84685091 is a prime.

Together with 84685091, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84685091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42342546 + 42342547.

It is an arithmetic number, because the mean of its divisors is an integer number (42342547).

Almost surely, 2^84685093 is an apocalyptic number.

It is an amenable number.

84685093 is a deficient number, since it is larger than the sum of its proper divisors (1).

84685093 is an equidigital number, since it uses as much as digits as its factorization.

84685093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 84685093 is about 9202.4503801977. The cubic root of 84685093 is about 439.1393178654.

The spelling of 84685093 in words is "eighty-four million, six hundred eighty-five thousand, ninety-three".