89061073 has 2 divisors, whose sum is σ = 89061074. Its totient is φ = 89061072.

The previous prime is 89060987. The next prime is 89061107. The reversal of 89061073 is 37016098.

It is an a-pointer prime, because the next prime (89061107) can be obtained adding 89061073 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88887184 + 173889 = 9428^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 89061073 - 2⁹ = 89060561 is a prime.

It is a super-2 number, since 2×89061073² = 15863749447822658, which contains 22 as substring.

It is equal to p_5165854 and since 89061073 and 5165854 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (89061173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44530536 + 44530537.

It is an arithmetic number, because the mean of its divisors is an integer number (44530537).

Almost surely, 2^89061073 is an apocalyptic number.

It is an amenable number.

89061073 is a deficient number, since it is larger than the sum of its proper divisors (1).

89061073 is an equidigital number, since it uses as much as digits as its factorization.

89061073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 89061073 is about 9437.2174394787. The cubic root of 89061073 is about 446.5766118168.

The spelling of 89061073 in words is "eighty-nine million, sixty-one thousand, seventy-three".