89359969 has 2 divisors, whose sum is σ = 89359970. Its totient is φ = 89359968.

The previous prime is 89359943. The next prime is 89359979. The reversal of 89359969 is 96995398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68310225 + 21049744 = 8265^2 + 4588^2 .

It is a cyclic number.

It is not a de Polignac number, because 89359969 - 2⁷ = 89359841 is a prime.

It is a super-2 number, since 2×89359969² = 15970408119361922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89359909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44679984 + 44679985.

It is an arithmetic number, because the mean of its divisors is an integer number (44679985).

Almost surely, 2^89359969 is an apocalyptic number.

It is an amenable number.

89359969 is a deficient number, since it is larger than the sum of its proper divisors (1).

89359969 is an equidigital number, since it uses as much as digits as its factorization.

89359969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4723920, while the sum is 58.

The square root of 89359969 is about 9453.0401987932. The cubic root of 89359969 is about 447.0756361124.

The spelling of 89359969 in words is "eighty-nine million, three hundred fifty-nine thousand, nine hundred sixty-nine".