97172317190404 has 81 divisors (see below), whose sum is σ = 174526461312021. Its totient is φ = 47340147844800.

The previous prime is 97172317190363. The next prime is 97172317190407. The reversal of 97172317190404 is 40409171327179.

The square root of 97172317190404 is 9857602.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 81676442400004 + 15495874790400 = 9037502^2 + 3936480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97172317190407) 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 26 ways as a sum of consecutive naturals, for example, 161684387704 + ... + 161684388304.

Almost surely, 2^{97172317190404} is an apocalyptic number.

97172317190404 is the 9857602-nd square number.

It is an amenable number.

97172317190404 is a deficient number, since it is larger than the sum of its proper divisors (77354144121617).

97172317190404 is an frugal number, since it uses more digits than its factorization.

97172317190404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 97172317190404 in words is "ninety-seven trillion, one hundred seventy-two billion, three hundred seventeen million, one hundred ninety thousand, four hundred four".