97128875008 has 176 divisors, whose sum is σ = 219955881600. Its totient is φ = 42464378880.

The previous prime is 97128875003. The next prime is 97128875009. The reversal of 97128875008 is 80057882179.

It is a tau number, because it is divible by the number of its divisors (176).

It is a self number, because there is not a number n which added to its sum of digits gives 97128875008.

It is not an unprimeable number, because it can be changed into a prime (97128875003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133601941 + ... + 133602667.

Almost surely, 2^97128875008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97128875008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109977940800).

97128875008 is an abundant number, since it is smaller than the sum of its proper divisors (122827006592).

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

97128875008 is a wasteful number, since it uses less digits than its factorization.

97128875008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 55.

The spelling of 97128875008 in words is "ninety-seven billion, one hundred twenty-eight million, eight hundred seventy-five thousand, eight".