89016642897 has 64 divisors (see below), whose sum is σ = 147220932096. Its totient is φ = 46587985920.

The previous prime is 89016642889. The next prime is 89016642907. The reversal of 89016642897 is 79824661098.

It is not a de Polignac number, because 89016642897 - 2³ = 89016642889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89016642897.

It is not an unprimeable number, because it can be changed into a prime (89016642857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22180063 + ... + 22184075.

It is an arithmetic number, because the mean of its divisors is an integer number (2300327064).

Almost surely, 2^89016642897 is an apocalyptic number.

It is an amenable number.

89016642897 is a deficient number, since it is larger than the sum of its proper divisors (58204289199).

89016642897 is a wasteful number, since it uses less digits than its factorization.

89016642897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 89016642897 in words is "eighty-nine billion, sixteen million, six hundred forty-two thousand, eight hundred ninety-seven".