89665077 has 8 divisors (see below), whose sum is σ = 119633760. Its totient is φ = 59736560.

The previous prime is 89665061. The next prime is 89665091. The reversal of 89665077 is 77056698.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89665077 - 2⁴ = 89665061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89665777) 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 in 7 ways as a sum of consecutive naturals, for example, 4374 + ... + 14087.

It is an arithmetic number, because the mean of its divisors is an integer number (14954220).

Almost surely, 2^89665077 is an apocalyptic number.

It is an amenable number.

89665077 is a deficient number, since it is larger than the sum of its proper divisors (29968683).

89665077 is a wasteful number, since it uses less digits than its factorization.

89665077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20083.

The product of its (nonzero) digits is 635040, while the sum is 48.

The square root of 89665077 is about 9469.1645354804. The cubic root of 89665077 is about 447.5838853179.

The spelling of 89665077 in words is "eighty-nine million, six hundred sixty-five thousand, seventy-seven".