89845697 has 8 divisors (see below), whose sum is σ = 95231016. Its totient is φ = 84471552.

The previous prime is 89845681. The next prime is 89845703. The reversal of 89845697 is 79654898.

It can be written as a sum of positive squares in 4 ways, for example, as 30924721 + 58920976 = 5561^2 + 7676^2 .

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 89845697 - 2⁴ = 89845681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89845607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18443 + ... + 22799.

It is an arithmetic number, because the mean of its divisors is an integer number (11903877).

Almost surely, 2^89845697 is an apocalyptic number.

It is an amenable number.

89845697 is a deficient number, since it is larger than the sum of its proper divisors (5385319).

89845697 is a wasteful number, since it uses less digits than its factorization.

89845697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587.

The product of its digits is 4354560, while the sum is 56.

The square root of 89845697 is about 9478.6970096106. The cubic root of 89845697 is about 447.8842191901.

The spelling of 89845697 in words is "eighty-nine million, eight hundred forty-five thousand, six hundred ninety-seven".