89973129 has 16 divisors (see below), whose sum is σ = 131120640. Its totient is φ = 54631680.

The previous prime is 89973101. The next prime is 89973131. The reversal of 89973129 is 92137998.

It is not a de Polignac number, because 89973129 - 2⁷ = 89973001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89973629) 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 15 ways as a sum of consecutive naturals, for example, 26874 + ... + 30035.

It is an arithmetic number, because the mean of its divisors is an integer number (8195040).

Almost surely, 2^89973129 is an apocalyptic number.

It is an amenable number.

89973129 is a deficient number, since it is larger than the sum of its proper divisors (41147511).

89973129 is a wasteful number, since it uses less digits than its factorization.

89973129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56960.

The product of its digits is 244944, while the sum is 48.

The square root of 89973129 is about 9485.4166487298. The cubic root of 89973129 is about 448.0958702804.

The spelling of 89973129 in words is "eighty-nine million, nine hundred seventy-three thousand, one hundred twenty-nine".