89765719084728 has 96 divisors (see below), whose sum is σ = 243339804021600. Its totient is φ = 29894311194624.

The previous prime is 89765719084697. The next prime is 89765719084751. The reversal of 89765719084728 is 82748091756798.

89765719084728 is a `hidden beast` number, since 8 + 9 + 7 + 6 + 57 + 1 + 90 + 8 + 472 + 8 = 666.

89765719084728 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341746101 + ... + 342008667.

It is an arithmetic number, because the mean of its divisors is an integer number (2534789625225).

Almost surely, 2^{89765719084728} is an apocalyptic number.

It is an amenable number.

89765719084728 is an abundant number, since it is smaller than the sum of its proper divisors (153574084936872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89765719084728 is a wasteful number, since it uses less digits than its factorization.

89765719084728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266941 (or 266934 counting only the distinct ones).

The product of its (nonzero) digits is 3413975040, while the sum is 81.

The spelling of 89765719084728 in words is "eighty-nine trillion, seven hundred sixty-five billion, seven hundred nineteen million, eighty-four thousand, seven hundred twenty-eight".