84206713 has 2 divisors, whose sum is σ = 84206714. Its totient is φ = 84206712.

The previous prime is 84206701. The next prime is 84206719. The reversal of 84206713 is 31760248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79423744 + 4782969 = 8912^2 + 2187^2 .

It is a cyclic number.

It is not a de Polignac number, because 84206713 - 2⁹ = 84206201 is a prime.

It is not a weakly prime, because it can be changed into another prime (84206719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42103356 + 42103357.

It is an arithmetic number, because the mean of its divisors is an integer number (42103357).

Almost surely, 2^84206713 is an apocalyptic number.

It is an amenable number.

84206713 is a deficient number, since it is larger than the sum of its proper divisors (1).

84206713 is an equidigital number, since it uses as much as digits as its factorization.

84206713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 84206713 is about 9176.4215792432. The cubic root of 84206713 is about 438.3108671405.

The spelling of 84206713 in words is "eighty-four million, two hundred six thousand, seven hundred thirteen".