89688307 has 2 divisors, whose sum is σ = 89688308. Its totient is φ = 89688306.

The previous prime is 89688257. The next prime is 89688323. The reversal of 89688307 is 70388698.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89688307 - 2¹⁵ = 89655539 is a prime.

It is not a weakly prime, because it can be changed into another prime (89688337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44844153 + 44844154.

It is an arithmetic number, because the mean of its divisors is an integer number (44844154).

Almost surely, 2^89688307 is an apocalyptic number.

89688307 is a deficient number, since it is larger than the sum of its proper divisors (1).

89688307 is an equidigital number, since it uses as much as digits as its factorization.

89688307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 89688307 is about 9470.3910690108. The cubic root of 89688307 is about 447.6225346123.

The spelling of 89688307 in words is "eighty-nine million, six hundred eighty-eight thousand, three hundred seven".