89125843 has 2 divisors, whose sum is σ = 89125844. Its totient is φ = 89125842.

The previous prime is 89125823. The next prime is 89125847. The reversal of 89125843 is 34852198.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89125843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89125796 and 89125805.

It is not a weakly prime, because it can be changed into another prime (89125847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44562921 + 44562922.

It is an arithmetic number, because the mean of its divisors is an integer number (44562922).

Almost surely, 2^89125843 is an apocalyptic number.

89125843 is a deficient number, since it is larger than the sum of its proper divisors (1).

89125843 is an equidigital number, since it uses as much as digits as its factorization.

89125843 is an evil number, because the sum of its binary digits is even.

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

The square root of 89125843 is about 9440.6484417120. The cubic root of 89125843 is about 446.6848437567.

The spelling of 89125843 in words is "eighty-nine million, one hundred twenty-five thousand, eight hundred forty-three".