89228173709 has 2 divisors, whose sum is σ = 89228173710. Its totient is φ = 89228173708.

The previous prime is 89228173703. The next prime is 89228173753. The reversal of 89228173709 is 90737182298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74599996900 + 14628176809 = 273130^2 + 120947^2 .

It is a cyclic number.

It is not a de Polignac number, because 89228173709 - 2²⁰ = 89227125133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89228173703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44614086854 + 44614086855.

It is an arithmetic number, because the mean of its divisors is an integer number (44614086855).

Almost surely, 2^89228173709 is an apocalyptic number.

It is an amenable number.

89228173709 is a deficient number, since it is larger than the sum of its proper divisors (1).

89228173709 is an equidigital number, since it uses as much as digits as its factorization.

89228173709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 89228173709 in words is "eighty-nine billion, two hundred twenty-eight million, one hundred seventy-three thousand, seven hundred nine".