89659964980 has 24 divisors (see below), whose sum is σ = 188985885480. Its totient is φ = 35730660480.

The previous prime is 89659964971. The next prime is 89659965019. The reversal of 89659964980 is 8946995698.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5156963344 + 84503001636 = 71812^2 + 290694^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8327331 + ... + 8338090.

It is an arithmetic number, because the mean of its divisors is an integer number (7874411895).

Almost surely, 2^89659964980 is an apocalyptic number.

It is an amenable number.

89659964980 is an abundant number, since it is smaller than the sum of its proper divisors (99325920500).

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

89659964980 is a wasteful number, since it uses less digits than its factorization.

89659964980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16665699 (or 16665697 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 73.

The spelling of 89659964980 in words is "eighty-nine billion, six hundred fifty-nine million, nine hundred sixty-four thousand, nine hundred eighty".