172971226059 has 8 divisors (see below), whose sum is σ = 231787238400. Its totient is φ = 114734682216.

The previous prime is 172971226033. The next prime is 172971226151. The reversal of 172971226059 is 950622179271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172971226059 - 2⁸ = 172971225803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172971226559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144866427 + ... + 144867620.

It is an arithmetic number, because the mean of its divisors is an integer number (28973404800).

Almost surely, 2^172971226059 is an apocalyptic number.

172971226059 is a deficient number, since it is larger than the sum of its proper divisors (58816012341).

172971226059 is a wasteful number, since it uses less digits than its factorization.

172971226059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289734249.

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 172971226059 in words is "one hundred seventy-two billion, nine hundred seventy-one million, two hundred twenty-six thousand, fifty-nine".