89690707867 has 2 divisors, whose sum is σ = 89690707868. Its totient is φ = 89690707866.

The previous prime is 89690707801. The next prime is 89690707903. The reversal of 89690707867 is 76870709698.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89690707867 is a prime.

It is not a weakly prime, because it can be changed into another prime (89690707567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44845353933 + 44845353934.

It is an arithmetic number, because the mean of its divisors is an integer number (44845353934).

Almost surely, 2^89690707867 is an apocalyptic number.

89690707867 is a deficient number, since it is larger than the sum of its proper divisors (1).

89690707867 is an equidigital number, since it uses as much as digits as its factorization.

89690707867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64012032, while the sum is 67.

The spelling of 89690707867 in words is "eighty-nine billion, six hundred ninety million, seven hundred seven thousand, eight hundred sixty-seven".