89065897 has 2 divisors, whose sum is σ = 89065898. Its totient is φ = 89065896.

The previous prime is 89065891. The next prime is 89065903. The reversal of 89065897 is 79856098.

It is a balanced prime because it is at equal distance from previous prime (89065891) and next prime (89065903).

It can be written as a sum of positive squares in only one way, i.e., 72182016 + 16883881 = 8496^2 + 4109^2 .

It is a cyclic number.

It is not a de Polignac number, because 89065897 - 2¹⁵ = 89033129 is a prime.

It is not a weakly prime, because it can be changed into another prime (89065891) 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, 44532948 + 44532949.

It is an arithmetic number, because the mean of its divisors is an integer number (44532949).

Almost surely, 2^89065897 is an apocalyptic number.

It is an amenable number.

89065897 is a deficient number, since it is larger than the sum of its proper divisors (1).

89065897 is an equidigital number, since it uses as much as digits as its factorization.

89065897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 89065897 is about 9437.4730198290. The cubic root of 89065897 is about 446.5846746236.

The spelling of 89065897 in words is "eighty-nine million, sixty-five thousand, eight hundred ninety-seven".