89705065 has 16 divisors (see below), whose sum is σ = 108887040. Its totient is φ = 70943040.

The previous prime is 89705059. The next prime is 89705071. The reversal of 89705065 is 56050798.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89705059) and next prime (89705071).

It is not a de Polignac number, because 89705065 - 2²¹ = 87607913 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 323707 + ... + 323983.

It is an arithmetic number, because the mean of its divisors is an integer number (6805440).

Almost surely, 2^89705065 is an apocalyptic number.

It is an amenable number.

89705065 is a deficient number, since it is larger than the sum of its proper divisors (19181975).

89705065 is a wasteful number, since it uses less digits than its factorization.

89705065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 89705065 is about 9471.2757852361. The cubic root of 89705065 is about 447.6504118669.

The spelling of 89705065 in words is "eighty-nine million, seven hundred five thousand, sixty-five".