97221879588980 has 24 divisors (see below), whose sum is σ = 204396122988288. Its totient is φ = 38844908816288.

The previous prime is 97221879588959. The next prime is 97221879588997. The reversal of 97221879588980 is 8988597812279.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2740170524 + ... + 2740206003.

It is an arithmetic number, because the mean of its divisors is an integer number (8516505124512).

Almost surely, 2^{97221879588980} is an apocalyptic number.

It is an amenable number.

97221879588980 is an abundant number, since it is smaller than the sum of its proper divisors (107174243399308).

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

97221879588980 is a wasteful number, since it uses less digits than its factorization.

97221879588980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480377423 (or 5480377421 counting only the distinct ones).

The product of its (nonzero) digits is 2926264320, while the sum is 83.

The spelling of 97221879588980 in words is "ninety-seven trillion, two hundred twenty-one billion, eight hundred seventy-nine million, five hundred eighty-eight thousand, nine hundred eighty".