97853996893280 has 96 divisors (see below), whose sum is σ = 231558157676160. Its totient is φ = 39077610209280.

The previous prime is 97853996893277. The next prime is 97853996893307. The reversal of 97853996893280 is 8239869935879.

It is a junction number, because it is equal to n+sod(n) for n = 97853996893192 and 97853996893201.

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 15 ways as a sum of consecutive naturals, for example, 480420260 + ... + 480623900.

It is an arithmetic number, because the mean of its divisors is an integer number (2412064142460).

Almost surely, 2^{97853996893280} is an apocalyptic number.

It is an amenable number.

97853996893280 is an abundant number, since it is smaller than the sum of its proper divisors (133704160782880).

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

97853996893280 is a wasteful number, since it uses less digits than its factorization.

97853996893280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208552 (or 208544 counting only the distinct ones).

The product of its (nonzero) digits is 12697896960, while the sum is 86.

The spelling of 97853996893280 in words is "ninety-seven trillion, eight hundred fifty-three billion, nine hundred ninety-six million, eight hundred ninety-three thousand, two hundred eighty".