89616017776 has 20 divisors (see below), whose sum is σ = 174601045800. Its totient is φ = 44557683392.

The previous prime is 89616017749. The next prime is 89616017779. The reversal of 89616017776 is 67771061698.

It is a self number, because there is not a number n which added to its sum of digits gives 89616017776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89616017779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15642391 + ... + 15648118.

It is an arithmetic number, because the mean of its divisors is an integer number (8730052290).

Almost surely, 2^89616017776 is an apocalyptic number.

It is an amenable number.

89616017776 is a deficient number, since it is larger than the sum of its proper divisors (84985028024).

89616017776 is a wasteful number, since it uses less digits than its factorization.

89616017776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31290696 (or 31290690 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 58.

It can be divided in two parts, 896160 and 17776, that added together give a square (913936 = 956²).

The spelling of 89616017776 in words is "eighty-nine billion, six hundred sixteen million, seventeen thousand, seven hundred seventy-six".