89075752109 has 2 divisors, whose sum is σ = 89075752110. Its totient is φ = 89075752108.

The previous prime is 89075752099. The next prime is 89075752121. The reversal of 89075752109 is 90125757098.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71861524900 + 17214227209 = 268070^2 + 131203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89075752109 is a prime.

It is a super-2 number, since 2×89075752109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89075754109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44537876054 + 44537876055.

It is an arithmetic number, because the mean of its divisors is an integer number (44537876055).

Almost surely, 2^89075752109 is an apocalyptic number.

It is an amenable number.

89075752109 is a deficient number, since it is larger than the sum of its proper divisors (1).

89075752109 is an equidigital number, since it uses as much as digits as its factorization.

89075752109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 53.

The spelling of 89075752109 in words is "eighty-nine billion, seventy-five million, seven hundred fifty-two thousand, one hundred nine".