89047943 has 2 divisors, whose sum is σ = 89047944. Its totient is φ = 89047942.

The previous prime is 89047879. The next prime is 89047957. The reversal of 89047943 is 34974098.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89047943 - 2⁶ = 89047879 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 89047894 and 89047903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89047043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44523971 + 44523972.

It is an arithmetic number, because the mean of its divisors is an integer number (44523972).

Almost surely, 2^89047943 is an apocalyptic number.

89047943 is a deficient number, since it is larger than the sum of its proper divisors (1).

89047943 is an equidigital number, since it uses as much as digits as its factorization.

89047943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 89047943 is about 9436.5217638704. The cubic root of 89047943 is about 446.5546649329.

The spelling of 89047943 in words is "eighty-nine million, forty-seven thousand, nine hundred forty-three".