173212974086 has 32 divisors (see below), whose sum is σ = 265104005760. Its totient is φ = 84867264000.

The previous prime is 173212974049. The next prime is 173212974089. The reversal of 173212974086 is 680479212371.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173212974089) 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, 8082986 + ... + 8104386.

It is an arithmetic number, because the mean of its divisors is an integer number (8284500180).

Almost surely, 2^173212974086 is an apocalyptic number.

173212974086 is a deficient number, since it is larger than the sum of its proper divisors (91891031674).

173212974086 is a wasteful number, since it uses less digits than its factorization.

173212974086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21920.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 173212974086 in words is "one hundred seventy-three billion, two hundred twelve million, nine hundred seventy-four thousand, eighty-six".