75900089 has 2 divisors, whose sum is σ = 75900090. Its totient is φ = 75900088.

The previous prime is 75900049. The next prime is 75900091. The reversal of 75900089 is 98000957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67108864 + 8791225 = 8192^2 + 2965^2 .

It is a cyclic number.

It is not a de Polignac number, because 75900089 - 2¹² = 75895993 is a prime.

Together with 75900091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75900049) 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, 37950044 + 37950045.

It is an arithmetic number, because the mean of its divisors is an integer number (37950045).

Almost surely, 2^75900089 is an apocalyptic number.

It is an amenable number.

75900089 is a deficient number, since it is larger than the sum of its proper divisors (1).

75900089 is an equidigital number, since it uses as much as digits as its factorization.

75900089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 75900089 is about 8712.0657137099. The cubic root of 75900089 is about 423.3966606374.

The spelling of 75900089 in words is "seventy-five million, nine hundred thousand, eighty-nine".