97100009187 has 16 divisors (see below), whose sum is σ = 133252990080. Its totient is φ = 62855150400.

The previous prime is 97100009179. The next prime is 97100009189. The reversal of 97100009187 is 78190000179.

It is a happy number.

It is not a de Polignac number, because 97100009187 - 2³ = 97100009179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97100009189) 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, 1844737 + ... + 1896642.

It is an arithmetic number, because the mean of its divisors is an integer number (8328311880).

Almost surely, 2^97100009187 is an apocalyptic number.

97100009187 is a deficient number, since it is larger than the sum of its proper divisors (36152980893).

97100009187 is a wasteful number, since it uses less digits than its factorization.

97100009187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741634.

The product of its (nonzero) digits is 31752, while the sum is 42.

The spelling of 97100009187 in words is "ninety-seven billion, one hundred million, nine thousand, one hundred eighty-seven".