872102239 has 8 divisors (see below), whose sum is σ = 909065520. Its totient is φ = 835598400.

The previous prime is 872102237. The next prime is 872102243. The reversal of 872102239 is 932201278.

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

It is a cyclic number.

It is not a de Polignac number, because 872102239 - 2¹ = 872102237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872102237) 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, 110982 + ... + 118579.

It is an arithmetic number, because the mean of its divisors is an integer number (113633190).

Almost surely, 2^872102239 is an apocalyptic number.

872102239 is a deficient number, since it is larger than the sum of its proper divisors (36963281).

872102239 is a wasteful number, since it uses less digits than its factorization.

872102239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229721.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 872102239 is about 29531.3771944351. The cubic root of 872102239 is about 955.4085727447.

The spelling of 872102239 in words is "eight hundred seventy-two million, one hundred two thousand, two hundred thirty-nine".