89685975000439 has 2 divisors, whose sum is σ = 89685975000440. Its totient is φ = 89685975000438.

The previous prime is 89685975000383. The next prime is 89685975000451. The reversal of 89685975000439 is 93400057958698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89685975000439 - 2³¹ = 89683827516791 is a prime.

It is a super-2 number, since 2×89685975000439² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89685975003439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44842987500219 + 44842987500220.

It is an arithmetic number, because the mean of its divisors is an integer number (44842987500220).

Almost surely, 2^{89685975000439} is an apocalyptic number.

89685975000439 is a deficient number, since it is larger than the sum of its proper divisors (1).

89685975000439 is an equidigital number, since it uses as much as digits as its factorization.

89685975000439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 587865600, while the sum is 73.

The spelling of 89685975000439 in words is "eighty-nine trillion, six hundred eighty-five billion, nine hundred seventy-five million, four hundred thirty-nine", and thus it is an aban number.