97543879793 has 8 divisors (see below), whose sum is σ = 97727731200. Its totient is φ = 97360138288.

The previous prime is 97543879789. The next prime is 97543879837. The reversal of 97543879793 is 39797834579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97543879793 - 2² = 97543879789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97543879193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1871555 + ... + 1922967.

It is an arithmetic number, because the mean of its divisors is an integer number (12215966400).

Almost surely, 2^97543879793 is an apocalyptic number.

It is an amenable number.

97543879793 is a deficient number, since it is larger than the sum of its proper divisors (183851407).

97543879793 is a wasteful number, since it uses less digits than its factorization.

97543879793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54951.

The product of its digits is 360067680, while the sum is 71.

The spelling of 97543879793 in words is "ninety-seven billion, five hundred forty-three million, eight hundred seventy-nine thousand, seven hundred ninety-three".