872118116 has 6 divisors (see below), whose sum is σ = 1526206710. Its totient is φ = 436059056.

The previous prime is 872118077. The next prime is 872118119. The reversal of 872118116 is 611811278.

It can be written as a sum of positive squares in only one way, i.e., 855796516 + 16321600 = 29254^2 + 4040^2 .

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, 109014761 + ... + 109014768.

It is an arithmetic number, because the mean of its divisors is an integer number (254367785).

Almost surely, 2^872118116 is an apocalyptic number.

It is an amenable number.

872118116 is a deficient number, since it is larger than the sum of its proper divisors (654088594).

872118116 is a wasteful number, since it uses less digits than its factorization.

872118116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218029533 (or 218029531 counting only the distinct ones).

The product of its digits is 5376, while the sum is 35.

The square root of 872118116 is about 29531.6460089850. The cubic root of 872118116 is about 955.4143705855.

The spelling of 872118116 in words is "eight hundred seventy-two million, one hundred eighteen thousand, one hundred sixteen".