89279073 has 24 divisors (see below), whose sum is σ = 140794472. Its totient is φ = 54183168.

The previous prime is 89279027. The next prime is 89279089. The reversal of 89279073 is 37097298.

It can be written as a sum of positive squares in 4 ways, for example, as 24830289 + 64448784 = 4983^2 + 8028^2 .

It is not a de Polignac number, because 89279073 - 2⁹ = 89278561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89279093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3315 + ... + 13767.

Almost surely, 2^89279073 is an apocalyptic number.

It is an amenable number.

89279073 is a deficient number, since it is larger than the sum of its proper divisors (51515399).

89279073 is a wasteful number, since it uses less digits than its factorization.

89279073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10545 (or 10542 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 89279073 is about 9448.7603948878. The cubic root of 89279073 is about 446.9406854918.

The spelling of 89279073 in words is "eighty-nine million, two hundred seventy-nine thousand, seventy-three".