872180231 has 8 divisors (see below), whose sum is σ = 940923984. Its totient is φ = 803672640.

The previous prime is 872180203. The next prime is 872180233. The reversal of 872180231 is 132081278.

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 872180231 - 2¹⁴ = 872163847 is a prime.

It is a super-2 number, since 2×872180231² = 1521396710694426722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872180233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51326 + ... + 66171.

It is an arithmetic number, because the mean of its divisors is an integer number (117615498).

Almost surely, 2^872180231 is an apocalyptic number.

872180231 is a deficient number, since it is larger than the sum of its proper divisors (68743753).

872180231 is a wasteful number, since it uses less digits than its factorization.

872180231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118081.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 872180231 is about 29532.6976586969. The cubic root of 872180231 is about 955.4370525876.

The spelling of 872180231 in words is "eight hundred seventy-two million, one hundred eighty thousand, two hundred thirty-one".