872118118 has 4 divisors (see below), whose sum is σ = 1308177180. Its totient is φ = 436059058.

The previous prime is 872118077. The next prime is 872118119. The reversal of 872118118 is 811811278.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872118119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218029528 + ... + 218029531.

It is an arithmetic number, because the mean of its divisors is an integer number (327044295).

Almost surely, 2^872118118 is an apocalyptic number.

872118118 is a deficient number, since it is larger than the sum of its proper divisors (436059062).

872118118 is a wasteful number, since it uses less digits than its factorization.

872118118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436059061.

The product of its digits is 7168, while the sum is 37.

The square root of 872118118 is about 29531.6460428470. The cubic root of 872118118 is about 955.4143713159.

The spelling of 872118118 in words is "eight hundred seventy-two million, one hundred eighteen thousand, one hundred eighteen".