84527985 has 32 divisors (see below), whose sum is σ = 138378240. Its totient is φ = 44049600.

The previous prime is 84527983. The next prime is 84527987. The reversal of 84527985 is 58972548.

It is an interprime number because it is at equal distance from previous prime (84527983) and next prime (84527987).

It is not a de Polignac number, because 84527985 - 2¹ = 84527983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84527983) 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 in 31 ways as a sum of consecutive naturals, for example, 147750 + ... + 148320.

It is an arithmetic number, because the mean of its divisors is an integer number (4324320).

Almost surely, 2^84527985 is an apocalyptic number.

It is an amenable number.

84527985 is a deficient number, since it is larger than the sum of its proper divisors (53850255).

84527985 is a wasteful number, since it uses less digits than its factorization.

84527985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789.

The product of its digits is 806400, while the sum is 48.

The square root of 84527985 is about 9193.9102127441. The cubic root of 84527985 is about 438.8675856300.

The spelling of 84527985 in words is "eighty-four million, five hundred twenty-seven thousand, nine hundred eighty-five".