172285377297 has 16 divisors (see below), whose sum is σ = 250604094720. Its totient is φ = 104412387600.

The previous prime is 172285377259. The next prime is 172285377301. The reversal of 172285377297 is 792773582271.

It is not a de Polignac number, because 172285377297 - 2¹² = 172285373201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172285377297.

It is not an unprimeable number, because it can be changed into a prime (172285372297) 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, 1781454 + ... + 1875672.

It is an arithmetic number, because the mean of its divisors is an integer number (15662755920).

Almost surely, 2^172285377297 is an apocalyptic number.

It is an amenable number.

172285377297 is a deficient number, since it is larger than the sum of its proper divisors (78318717423).

172285377297 is a wasteful number, since it uses less digits than its factorization.

172285377297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149644.

The product of its digits is 20744640, while the sum is 60.

The spelling of 172285377297 in words is "one hundred seventy-two billion, two hundred eighty-five million, three hundred seventy-seven thousand, two hundred ninety-seven".