97885532097 has 12 divisors (see below), whose sum is σ = 143500515600. Its totient is φ = 64283035608.

The previous prime is 97885532053. The next prime is 97885532119. The reversal of 97885532097 is 79023558879.

97885532097 is a `hidden beast` number, since 9 + 7 + 8 + 8 + 5 + 532 + 0 + 97 = 666.

It is not a de Polignac number, because 97885532097 - 2⁸ = 97885531841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97885532047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81164847 + ... + 81166052.

It is an arithmetic number, because the mean of its divisors is an integer number (11958376300).

Almost surely, 2^97885532097 is an apocalyptic number.

It is an amenable number.

97885532097 is a deficient number, since it is larger than the sum of its proper divisors (45614983503).

97885532097 is a wasteful number, since it uses less digits than its factorization.

97885532097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162330972 (or 162330969 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 97885532097 in words is "ninety-seven billion, eight hundred eighty-five million, five hundred thirty-two thousand, ninety-seven".