872338937217 has 32 divisors (see below), whose sum is σ = 1393709829120. Its totient is φ = 479087737920.

The previous prime is 872338937167. The next prime is 872338937219. The reversal of 872338937217 is 712739833278.

It is a happy number.

It is not a de Polignac number, because 872338937217 - 2⁶ = 872338937153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (872338937219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30231018 + ... + 30259859.

It is an arithmetic number, because the mean of its divisors is an integer number (43553432160).

Almost surely, 2^872338937217 is an apocalyptic number.

It is an amenable number.

872338937217 is a deficient number, since it is larger than the sum of its proper divisors (521370891903).

872338937217 is a wasteful number, since it uses less digits than its factorization.

872338937217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60490933.

The product of its digits is 21337344, while the sum is 60.

The spelling of 872338937217 in words is "eight hundred seventy-two billion, three hundred thirty-eight million, nine hundred thirty-seven thousand, two hundred seventeen".