89945359 has 4 divisors (see below), whose sum is σ = 102794704. Its totient is φ = 77096016.

The previous prime is 89945333. The next prime is 89945363. The reversal of 89945359 is 95354998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95354998 = 2 ⋅47677499.

It is a cyclic number.

It is not a de Polignac number, because 89945359 - 2⁷ = 89945231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89945309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6424662 + ... + 6424675.

It is an arithmetic number, because the mean of its divisors is an integer number (25698676).

Almost surely, 2^89945359 is an apocalyptic number.

89945359 is a deficient number, since it is larger than the sum of its proper divisors (12849345).

89945359 is a wasteful number, since it uses less digits than its factorization.

89945359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12849344.

The product of its digits is 1749600, while the sum is 52.

The square root of 89945359 is about 9483.9527097092. The cubic root of 89945359 is about 448.0497642822.

The spelling of 89945359 in words is "eighty-nine million, nine hundred forty-five thousand, three hundred fifty-nine".