89647601 has 2 divisors, whose sum is σ = 89647602. Its totient is φ = 89647600.

The previous prime is 89647589. The next prime is 89647619. The reversal of 89647601 is 10674698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66846976 + 22800625 = 8176^2 + 4775^2 .

It is a cyclic number.

It is not a de Polignac number, because 89647601 - 2²² = 85453297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (89647631) 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 as a sum of consecutive naturals, namely, 44823800 + 44823801.

It is an arithmetic number, because the mean of its divisors is an integer number (44823801).

Almost surely, 2^89647601 is an apocalyptic number.

It is an amenable number.

89647601 is a deficient number, since it is larger than the sum of its proper divisors (1).

89647601 is an equidigital number, since it uses as much as digits as its factorization.

89647601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 89647601 is about 9468.2417058290. The cubic root of 89647601 is about 447.5548049354.

The spelling of 89647601 in words is "eighty-nine million, six hundred forty-seven thousand, six hundred one".