97543879863 has 16 divisors (see below), whose sum is σ = 130990191360. Its totient is φ = 64564321536.

The previous prime is 97543879859. The next prime is 97543879871. The reversal of 97543879863 is 36897834579.

It is not a de Polignac number, because 97543879863 - 2² = 97543879859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97543879883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317031 + ... + 543687.

It is an arithmetic number, because the mean of its divisors is an integer number (8186886960).

Almost surely, 2^97543879863 is an apocalyptic number.

97543879863 is a deficient number, since it is larger than the sum of its proper divisors (33446311497).

97543879863 is a wasteful number, since it uses less digits than its factorization.

97543879863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227686.

The product of its digits is 274337280, while the sum is 69.

The spelling of 97543879863 in words is "ninety-seven billion, five hundred forty-three million, eight hundred seventy-nine thousand, eight hundred sixty-three".