872216974 has 4 divisors (see below), whose sum is σ = 1308325464. Its totient is φ = 436108486.

The previous prime is 872216957. The next prime is 872216981. The reversal of 872216974 is 479612278.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218054242 + ... + 218054245.

It is an arithmetic number, because the mean of its divisors is an integer number (327081366).

Almost surely, 2^872216974 is an apocalyptic number.

872216974 is a deficient number, since it is larger than the sum of its proper divisors (436108490).

872216974 is a wasteful number, since it uses less digits than its factorization.

872216974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436108489.

The product of its digits is 338688, while the sum is 46.

The square root of 872216974 is about 29533.3197253543. The cubic root of 872216974 is about 955.4504692070.

The spelling of 872216974 in words is "eight hundred seventy-two million, two hundred sixteen thousand, nine hundred seventy-four".