89509717379 has 2 divisors, whose sum is σ = 89509717380. Its totient is φ = 89509717378.

The previous prime is 89509717369. The next prime is 89509717441. The reversal of 89509717379 is 97371790598.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89509717379 - 2³⁶ = 20790240643 is a prime.

It is not a weakly prime, because it can be changed into another prime (89509717369) 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, 44754858689 + 44754858690.

It is an arithmetic number, because the mean of its divisors is an integer number (44754858690).

Almost surely, 2^89509717379 is an apocalyptic number.

89509717379 is a deficient number, since it is larger than the sum of its proper divisors (1).

89509717379 is an equidigital number, since it uses as much as digits as its factorization.

89509717379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30005640, while the sum is 65.

The spelling of 89509717379 in words is "eighty-nine billion, five hundred nine million, seven hundred seventeen thousand, three hundred seventy-nine".