84528999 has 12 divisors (see below), whose sum is σ = 122306496. Its totient is φ = 56256192.

The previous prime is 84528959. The next prime is 84529007. The reversal of 84528999 is 99982548.

It is not a de Polignac number, because 84528999 - 2¹⁷ = 84397927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84528919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2274 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (10192208).

Almost surely, 2^84528999 is an apocalyptic number.

84528999 is a deficient number, since it is larger than the sum of its proper divisors (37777497).

84528999 is a wasteful number, since it uses less digits than its factorization.

84528999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16086 (or 16083 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 84528999 is about 9193.9653577768. The cubic root of 84528999 is about 438.8693405122.

The spelling of 84528999 in words is "eighty-four million, five hundred twenty-eight thousand, nine hundred ninety-nine".