89268881593 has 2 divisors, whose sum is σ = 89268881594. Its totient is φ = 89268881592.

The previous prime is 89268881587. The next prime is 89268881651. The reversal of 89268881593 is 39518886298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78194055424 + 11074826169 = 279632^2 + 105237^2 .

It is a cyclic number.

It is not a de Polignac number, because 89268881593 - 2¹³ = 89268873401 is a prime.

It is not a weakly prime, because it can be changed into another prime (89268881503) 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, 44634440796 + 44634440797.

It is an arithmetic number, because the mean of its divisors is an integer number (44634440797).

Almost surely, 2^89268881593 is an apocalyptic number.

It is an amenable number.

89268881593 is a deficient number, since it is larger than the sum of its proper divisors (1).

89268881593 is an equidigital number, since it uses as much as digits as its factorization.

89268881593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59719680, while the sum is 67.

The spelling of 89268881593 in words is "eighty-nine billion, two hundred sixty-eight million, eight hundred eighty-one thousand, five hundred ninety-three".