89627745173 has 2 divisors, whose sum is σ = 89627745174. Its totient is φ = 89627745172.

The previous prime is 89627745169. The next prime is 89627745203. The reversal of 89627745173 is 37154772698.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60803175889 + 28824569284 = 246583^2 + 169778^2 .

It is a cyclic number.

It is not a de Polignac number, because 89627745173 - 2² = 89627745169 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89627747173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44813872586 + 44813872587.

It is an arithmetic number, because the mean of its divisors is an integer number (44813872587).

Almost surely, 2^89627745173 is an apocalyptic number.

It is an amenable number.

89627745173 is a deficient number, since it is larger than the sum of its proper divisors (1).

89627745173 is an equidigital number, since it uses as much as digits as its factorization.

89627745173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17781120, while the sum is 59.

The spelling of 89627745173 in words is "eighty-nine billion, six hundred twenty-seven million, seven hundred forty-five thousand, one hundred seventy-three".