872119771 has 16 divisors (see below), whose sum is σ = 943366176. Its totient is φ = 803252736.

The previous prime is 872119757. The next prime is 872119783. The reversal of 872119771 is 177911278.

It is a cyclic number.

It is not a de Polignac number, because 872119771 - 2⁵ = 872119739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (872119571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176385 + ... + 181261.

It is an arithmetic number, because the mean of its divisors is an integer number (58960386).

Almost surely, 2^872119771 is an apocalyptic number.

872119771 is a deficient number, since it is larger than the sum of its proper divisors (71246405).

872119771 is a wasteful number, since it uses less digits than its factorization.

872119771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118.

The product of its digits is 49392, while the sum is 43.

The square root of 872119771 is about 29531.6740297600. The cubic root of 872119771 is about 955.4149749417.

The spelling of 872119771 in words is "eight hundred seventy-two million, one hundred nineteen thousand, seven hundred seventy-one".