89466744457 has 2 divisors, whose sum is σ = 89466744458. Its totient is φ = 89466744456.

The previous prime is 89466744443. The next prime is 89466744461. The reversal of 89466744457 is 75444766498.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74526816016 + 14939928441 = 272996^2 + 122229^2 .

It is a cyclic number.

It is not a de Polignac number, because 89466744457 - 2¹⁹ = 89466220169 is a prime.

It is not a weakly prime, because it can be changed into another prime (89466741457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44733372228 + 44733372229.

It is an arithmetic number, because the mean of its divisors is an integer number (44733372229).

Almost surely, 2^89466744457 is an apocalyptic number.

It is an amenable number.

89466744457 is a deficient number, since it is larger than the sum of its proper divisors (1).

89466744457 is an equidigital number, since it uses as much as digits as its factorization.

89466744457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162570240, while the sum is 64.

The spelling of 89466744457 in words is "eighty-nine billion, four hundred sixty-six million, seven hundred forty-four thousand, four hundred fifty-seven".