89981817083 has 2 divisors, whose sum is σ = 89981817084. Its totient is φ = 89981817082.

The previous prime is 89981817031. The next prime is 89981817113. The reversal of 89981817083 is 38071818998.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89981817083 - 2⁶ = 89981817019 is a prime.

It is not a weakly prime, because it can be changed into another prime (89981817283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44990908541 + 44990908542.

It is an arithmetic number, because the mean of its divisors is an integer number (44990908542).

Almost surely, 2^89981817083 is an apocalyptic number.

89981817083 is a deficient number, since it is larger than the sum of its proper divisors (1).

89981817083 is an equidigital number, since it uses as much as digits as its factorization.

89981817083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 62.

The spelling of 89981817083 in words is "eighty-nine billion, nine hundred eighty-one million, eight hundred seventeen thousand, eighty-three".