89603879 has 2 divisors, whose sum is σ = 89603880. Its totient is φ = 89603878.

The previous prime is 89603827. The next prime is 89603897. The reversal of 89603879 is 97830698.

Together with next prime (89603897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89603879 - 2¹⁶ = 89538343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89603809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44801939 + 44801940.

It is an arithmetic number, because the mean of its divisors is an integer number (44801940).

Almost surely, 2^89603879 is an apocalyptic number.

89603879 is a deficient number, since it is larger than the sum of its proper divisors (1).

89603879 is an equidigital number, since it uses as much as digits as its factorization.

89603879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 89603879 is about 9465.9325478264. The cubic root of 89603879 is about 447.4820341715.

The spelling of 89603879 in words is "eighty-nine million, six hundred three thousand, eight hundred seventy-nine".