89680033 has 2 divisors, whose sum is σ = 89680034. Its totient is φ = 89680032.

The previous prime is 89680009. The next prime is 89680037. The reversal of 89680033 is 33008698.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88962624 + 717409 = 9432^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 89680033 - 2²¹ = 87582881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89679974 and 89680001.

It is not a weakly prime, because it can be changed into another prime (89680037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44840016 + 44840017.

It is an arithmetic number, because the mean of its divisors is an integer number (44840017).

Almost surely, 2^89680033 is an apocalyptic number.

It is an amenable number.

89680033 is a deficient number, since it is larger than the sum of its proper divisors (1).

89680033 is an equidigital number, since it uses as much as digits as its factorization.

89680033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 89680033 is about 9469.9542237542. The cubic root of 89680033 is about 447.6087693741.

The spelling of 89680033 in words is "eighty-nine million, six hundred eighty thousand, thirty-three".