89128453 has 4 divisors (see below), whose sum is σ = 89172748. Its totient is φ = 89084160.

The previous prime is 89128451. The next prime is 89128477. The reversal of 89128453 is 35482198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35482198 = 2 ⋅17741099.

It can be written as a sum of positive squares in 2 ways, for example, as 1181569 + 87946884 = 1087^2 + 9378^2 .

It is a cyclic number.

It is not a de Polignac number, because 89128453 - 2¹ = 89128451 is a prime.

It is a super-2 number, since 2×89128453² = 15887762268346418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89128451) 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, 18978 + ... + 23203.

It is an arithmetic number, because the mean of its divisors is an integer number (22293187).

Almost surely, 2^89128453 is an apocalyptic number.

It is an amenable number.

89128453 is a deficient number, since it is larger than the sum of its proper divisors (44295).

89128453 is a wasteful number, since it uses less digits than its factorization.

89128453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44294.

The product of its digits is 69120, while the sum is 40.

The square root of 89128453 is about 9440.7866727302. The cubic root of 89128453 is about 446.6892040186.

The spelling of 89128453 in words is "eighty-nine million, one hundred twenty-eight thousand, four hundred fifty-three".