97673237181 has 48 divisors (see below), whose sum is σ = 157100083200. Its totient is φ = 59948598528.

The previous prime is 97673237173. The next prime is 97673237183. The reversal of 97673237181 is 18173237679.

It is not a de Polignac number, because 97673237181 - 2³ = 97673237173 is a prime.

It is a super-2 number, since 2×97673237181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97673237183) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1719685 + ... + 1775573.

It is an arithmetic number, because the mean of its divisors is an integer number (3272918400).

Almost surely, 2^97673237181 is an apocalyptic number.

It is an amenable number.

97673237181 is a deficient number, since it is larger than the sum of its proper divisors (59426846019).

97673237181 is a wasteful number, since it uses less digits than its factorization.

97673237181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56307 (or 56288 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The spelling of 97673237181 in words is "ninety-seven billion, six hundred seventy-three million, two hundred thirty-seven thousand, one hundred eighty-one".