872216942 has 16 divisors (see below), whose sum is σ = 1342295280. Its totient is φ = 424916352.

The previous prime is 872216923. The next prime is 872216951. The reversal of 872216942 is 249612278.

It is a self number, because there is not a number n which added to its sum of digits gives 872216942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19373 + ... + 46040.

It is an arithmetic number, because the mean of its divisors is an integer number (83893455).

Almost surely, 2^872216942 is an apocalyptic number.

872216942 is a deficient number, since it is larger than the sum of its proper divisors (470078338).

872216942 is a wasteful number, since it uses less digits than its factorization.

872216942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65587.

The product of its digits is 96768, while the sum is 41.

The square root of 872216942 is about 29533.3191835933. The cubic root of 872216942 is about 955.4504575225.

The spelling of 872216942 in words is "eight hundred seventy-two million, two hundred sixteen thousand, nine hundred forty-two".