89116471 has 2 divisors, whose sum is σ = 89116472. Its totient is φ = 89116470.

The previous prime is 89116459. The next prime is 89116477. The reversal of 89116471 is 17461198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89116471 - 2⁷ = 89116343 is a prime.

It is a super-3 number, since 3×89116471³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89116471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89116477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44558235 + 44558236.

It is an arithmetic number, because the mean of its divisors is an integer number (44558236).

Almost surely, 2^89116471 is an apocalyptic number.

89116471 is a deficient number, since it is larger than the sum of its proper divisors (1).

89116471 is an equidigital number, since it uses as much as digits as its factorization.

89116471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The square root of 89116471 is about 9440.1520644532. The cubic root of 89116471 is about 446.6691862064.

The spelling of 89116471 in words is "eighty-nine million, one hundred sixteen thousand, four hundred seventy-one".