89481263 has 2 divisors, whose sum is σ = 89481264. Its totient is φ = 89481262.

The previous prime is 89481257. The next prime is 89481277. The reversal of 89481263 is 36218498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89481263 - 2¹⁰ = 89480239 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89481263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89481463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44740631 + 44740632.

It is an arithmetic number, because the mean of its divisors is an integer number (44740632).

Almost surely, 2^89481263 is an apocalyptic number.

89481263 is a deficient number, since it is larger than the sum of its proper divisors (1).

89481263 is an equidigital number, since it uses as much as digits as its factorization.

89481263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 41.

The square root of 89481263 is about 9459.4536311565. The cubic root of 89481263 is about 447.2778261078.

The spelling of 89481263 in words is "eighty-nine million, four hundred eighty-one thousand, two hundred sixty-three".