711182778866 has 16 divisors (see below), whose sum is σ = 1219194141120. Its totient is φ = 304786703760.

The previous prime is 711182778863. The next prime is 711182778907. The reversal of 711182778866 is 668877281117.

It is a junction number, because it is equal to n+sod(n) for n = 711182778799 and 711182778808.

It is not an unprimeable number, because it can be changed into a prime (711182778863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297836 + ... + 1229256.

It is an arithmetic number, because the mean of its divisors is an integer number (76199633820).

Almost surely, 2^711182778866 is an apocalyptic number.

711182778866 is a deficient number, since it is larger than the sum of its proper divisors (508011362254).

711182778866 is a wasteful number, since it uses less digits than its factorization.

711182778866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985969.

The product of its digits is 12644352, while the sum is 62.

The spelling of 711182778866 in words is "seven hundred eleven billion, one hundred eighty-two million, seven hundred seventy-eight thousand, eight hundred sixty-six".