84528959 has 2 divisors, whose sum is σ = 84528960. Its totient is φ = 84528958.

The previous prime is 84528953. The next prime is 84529007. The reversal of 84528959 is 95982548.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84528959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84528953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42264479 + 42264480.

It is an arithmetic number, because the mean of its divisors is an integer number (42264480).

Almost surely, 2^84528959 is an apocalyptic number.

84528959 is a deficient number, since it is larger than the sum of its proper divisors (1).

84528959 is an equidigital number, since it uses as much as digits as its factorization.

84528959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 50.

The square root of 84528959 is about 9193.9631824366. The cubic root of 84528959 is about 438.8692712863.

The spelling of 84528959 in words is "eighty-four million, five hundred twenty-eight thousand, nine hundred fifty-nine".