89158943 has 2 divisors, whose sum is σ = 89158944. Its totient is φ = 89158942.

The previous prime is 89158939. The next prime is 89158961. The reversal of 89158943 is 34985198.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89158943 - 2² = 89158939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89158933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44579471 + 44579472.

It is an arithmetic number, because the mean of its divisors is an integer number (44579472).

Almost surely, 2^89158943 is an apocalyptic number.

89158943 is a deficient number, since it is larger than the sum of its proper divisors (1).

89158943 is an equidigital number, since it uses as much as digits as its factorization.

89158943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The square root of 89158943 is about 9442.4013365245. The cubic root of 89158943 is about 446.7401342608.

The spelling of 89158943 in words is "eighty-nine million, one hundred fifty-eight thousand, nine hundred forty-three".