84616853 has 2 divisors, whose sum is σ = 84616854. Its totient is φ = 84616852.

The previous prime is 84616843. The next prime is 84616879. The reversal of 84616853 is 35861648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72624484 + 11992369 = 8522^2 + 3463^2 .

It is a cyclic number.

It is not a de Polignac number, because 84616853 - 2⁶ = 84616789 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_4922798 and since 84616853 and 4922798 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84616853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84616813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42308426 + 42308427.

It is an arithmetic number, because the mean of its divisors is an integer number (42308427).

Almost surely, 2^84616853 is an apocalyptic number.

It is an amenable number.

84616853 is a deficient number, since it is larger than the sum of its proper divisors (1).

84616853 is an equidigital number, since it uses as much as digits as its factorization.

84616853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 84616853 is about 9198.7419248504. The cubic root of 84616853 is about 439.0213320477.

The spelling of 84616853 in words is "eighty-four million, six hundred sixteen thousand, eight hundred fifty-three".