84929539 has 2 divisors, whose sum is σ = 84929540. Its totient is φ = 84929538.

The previous prime is 84929521. The next prime is 84929549. The reversal of 84929539 is 93592948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84929539 - 2¹⁵ = 84896771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84929492 and 84929501.

It is not a weakly prime, because it can be changed into another prime (84929549) 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, 42464769 + 42464770.

It is an arithmetic number, because the mean of its divisors is an integer number (42464770).

Almost surely, 2^84929539 is an apocalyptic number.

84929539 is a deficient number, since it is larger than the sum of its proper divisors (1).

84929539 is an equidigital number, since it uses as much as digits as its factorization.

84929539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 49.

The square root of 84929539 is about 9215.7223808012. The cubic root of 84929539 is about 439.5614414670.

The spelling of 84929539 in words is "eighty-four million, nine hundred twenty-nine thousand, five hundred thirty-nine".