84796813 has 2 divisors, whose sum is σ = 84796814. Its totient is φ = 84796812.

The previous prime is 84796787. The next prime is 84796849. The reversal of 84796813 is 31869748.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45333289 + 39463524 = 6733^2 + 6282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84796813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84796213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42398406 + 42398407.

It is an arithmetic number, because the mean of its divisors is an integer number (42398407).

Almost surely, 2^84796813 is an apocalyptic number.

It is an amenable number.

84796813 is a deficient number, since it is larger than the sum of its proper divisors (1).

84796813 is an equidigital number, since it uses as much as digits as its factorization.

84796813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 84796813 is about 9208.5185019090. The cubic root of 84796813 is about 439.3323431248.

The spelling of 84796813 in words is "eighty-four million, seven hundred ninety-six thousand, eight hundred thirteen".