89856071 has 2 divisors, whose sum is σ = 89856072. Its totient is φ = 89856070.

The previous prime is 89856043. The next prime is 89856079. The reversal of 89856071 is 17065898.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89856071 is a prime.

It is a super-2 number, since 2×89856071² = 16148226991114082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89856079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44928035 + 44928036.

It is an arithmetic number, because the mean of its divisors is an integer number (44928036).

Almost surely, 2^89856071 is an apocalyptic number.

89856071 is a deficient number, since it is larger than the sum of its proper divisors (1).

89856071 is an equidigital number, since it uses as much as digits as its factorization.

89856071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 89856071 is about 9479.2442209282. The cubic root of 89856071 is about 447.9014567883.

The spelling of 89856071 in words is "eighty-nine million, eight hundred fifty-six thousand, seventy-one".