89228181839 has 2 divisors, whose sum is σ = 89228181840. Its totient is φ = 89228181838.

The previous prime is 89228181827. The next prime is 89228181901. The reversal of 89228181839 is 93818182298.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89228181839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89228181439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44614090919 + 44614090920.

It is an arithmetic number, because the mean of its divisors is an integer number (44614090920).

Almost surely, 2^89228181839 is an apocalyptic number.

89228181839 is a deficient number, since it is larger than the sum of its proper divisors (1).

89228181839 is an equidigital number, since it uses as much as digits as its factorization.

89228181839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 59.

The spelling of 89228181839 in words is "eighty-nine billion, two hundred twenty-eight million, one hundred eighty-one thousand, eight hundred thirty-nine".