89529999 has 32 divisors (see below), whose sum is σ = 132701184. Its totient is φ = 53343360.

The previous prime is 89529997. The next prime is 89530009. The reversal of 89529999 is 99992598.

It is not a de Polignac number, because 89529999 - 2¹ = 89529997 is a prime.

89529999 is a modest number, since divided by 9999 gives 8952 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89529991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330234 + ... + 330504.

It is an arithmetic number, because the mean of its divisors is an integer number (4146912).

Almost surely, 2^89529999 is an apocalyptic number.

89529999 is a deficient number, since it is larger than the sum of its proper divisors (43171185).

89529999 is a wasteful number, since it uses less digits than its factorization.

89529999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527.

The product of its digits is 4723920, while the sum is 60.

The square root of 89529999 is about 9462.0293277922. The cubic root of 89529999 is about 447.3590147093.

The spelling of 89529999 in words is "eighty-nine million, five hundred twenty-nine thousand, nine hundred ninety-nine".