872210117 has 8 divisors (see below), whose sum is σ = 910521216. Its totient is φ = 833931472.

The previous prime is 872210111. The next prime is 872210123. The reversal of 872210117 is 711012278.

It is an interprime number because it is at equal distance from previous prime (872210111) and next prime (872210123).

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 872210117 - 2⁸ = 872209861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 872210117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872210111) 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, 58568 + ... + 71934.

It is an arithmetic number, because the mean of its divisors is an integer number (113815152).

Almost surely, 2^872210117 is an apocalyptic number.

It is an amenable number.

872210117 is a deficient number, since it is larger than the sum of its proper divisors (38311099).

872210117 is a wasteful number, since it uses less digits than its factorization.

872210117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16227.

The product of its (nonzero) digits is 1568, while the sum is 29.

The square root of 872210117 is about 29533.2036359078. The cubic root of 872210117 is about 955.4479654183.

The spelling of 872210117 in words is "eight hundred seventy-two million, two hundred ten thousand, one hundred seventeen".