89108069 has 2 divisors, whose sum is σ = 89108070. Its totient is φ = 89108068.

The previous prime is 89108059. The next prime is 89108087. The reversal of 89108069 is 96080198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62995969 + 26112100 = 7937^2 + 5110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89108069 is a prime.

It is a super-3 number, since 3×89108069³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89108009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44554034 + 44554035.

It is an arithmetic number, because the mean of its divisors is an integer number (44554035).

Almost surely, 2^89108069 is an apocalyptic number.

It is an amenable number.

89108069 is a deficient number, since it is larger than the sum of its proper divisors (1).

89108069 is an equidigital number, since it uses as much as digits as its factorization.

89108069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 89108069 is about 9439.7070399457. The cubic root of 89108069 is about 446.6551482760.

The spelling of 89108069 in words is "eighty-nine million, one hundred eight thousand, sixty-nine".