89780731752 has 32 divisors (see below), whose sum is σ = 224480810880. Its totient is φ = 29923046400.

The previous prime is 89780731751. The next prime is 89780731759. The reversal of 89780731752 is 25713708798.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 89780731692 and 89780731701.

It is not an unprimeable number, because it can be changed into a prime (89780731751) 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, 48624 + ... + 426527.

It is an arithmetic number, because the mean of its divisors is an integer number (7015025340).

Almost surely, 2^89780731752 is an apocalyptic number.

It is an amenable number.

89780731752 is an abundant number, since it is smaller than the sum of its proper divisors (134700079128).

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

89780731752 is a wasteful number, since it uses less digits than its factorization.

89780731752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483033 (or 483029 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 89780731752 in words is "eighty-nine billion, seven hundred eighty million, seven hundred thirty-one thousand, seven hundred fifty-two".