84512959 has 2 divisors, whose sum is σ = 84512960. Its totient is φ = 84512958.

The previous prime is 84512951. The next prime is 84512983. The reversal of 84512959 is 95921548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84512959 - 2³ = 84512951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84512951) 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, 42256479 + 42256480.

It is an arithmetic number, because the mean of its divisors is an integer number (42256480).

Almost surely, 2^84512959 is an apocalyptic number.

84512959 is a deficient number, since it is larger than the sum of its proper divisors (1).

84512959 is an equidigital number, since it uses as much as digits as its factorization.

84512959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 43.

The square root of 84512959 is about 9193.0930050772. The cubic root of 84512959 is about 438.8415791931.

The spelling of 84512959 in words is "eighty-four million, five hundred twelve thousand, nine hundred fifty-nine".