89609715 has 36 divisors (see below), whose sum is σ = 168204816. Its totient is φ = 44111808.

The previous prime is 89609713. The next prime is 89609717. The reversal of 89609715 is 51790698.

It is an interprime number because it is at equal distance from previous prime (89609713) and next prime (89609717).

It is not a de Polignac number, because 89609715 - 2¹ = 89609713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (89609711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1714 + ... + 13496.

It is an arithmetic number, because the mean of its divisors is an integer number (4672356).

Almost surely, 2^89609715 is an apocalyptic number.

89609715 is a deficient number, since it is larger than the sum of its proper divisors (78595101).

89609715 is a wasteful number, since it uses less digits than its factorization.

89609715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820 (or 11804 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 89609715 is about 9466.2408061490. The cubic root of 89609715 is about 447.4917489610.

The spelling of 89609715 in words is "eighty-nine million, six hundred nine thousand, seven hundred fifteen".