89743471 has 2 divisors, whose sum is σ = 89743472. Its totient is φ = 89743470.

The previous prime is 89743397. The next prime is 89743477. The reversal of 89743471 is 17434798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89743471 - 2⁹ = 89742959 is a prime.

It is a super-3 number, since 3×89743471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89743477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44871735 + 44871736.

It is an arithmetic number, because the mean of its divisors is an integer number (44871736).

Almost surely, 2^89743471 is an apocalyptic number.

89743471 is a deficient number, since it is larger than the sum of its proper divisors (1).

89743471 is an equidigital number, since it uses as much as digits as its factorization.

89743471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 89743471 is about 9473.3030670406. The cubic root of 89743471 is about 447.7142878911.

It can be divided in two parts, 8 and 9743471, that added together give a palindrome (9743479).

The spelling of 89743471 in words is "eighty-nine million, seven hundred forty-three thousand, four hundred seventy-one".