97807405328 has 80 divisors (see below), whose sum is σ = 206227586304. Its totient is φ = 44759869440.

The previous prime is 97807405313. The next prime is 97807405331. The reversal of 97807405328 is 82350470879.

97807405328 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 97807405328.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1982723 + ... + 2031453.

Almost surely, 2^97807405328 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 97807405328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103113793152).

97807405328 is an abundant number, since it is smaller than the sum of its proper divisors (108420180976).

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

97807405328 is a wasteful number, since it uses less digits than its factorization.

97807405328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48960 (or 48954 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 97807405328 in words is "ninety-seven billion, eight hundred seven million, four hundred five thousand, three hundred twenty-eight".