1113678866 has 4 divisors (see below), whose sum is σ = 1670518302. Its totient is φ = 556839432.

The previous prime is 1113678847. The next prime is 1113678869. The reversal of 1113678866 is 6688763111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6688763111 = 617 ⋅10840783.

It can be written as a sum of positive squares in only one way, i.e., 1113623641 + 55225 = 33371^2 + 235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1113678866.

It is not an unprimeable number, because it can be changed into a prime (1113678869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278419715 + ... + 278419718.

Almost surely, 2^1113678866 is an apocalyptic number.

1113678866 is a deficient number, since it is larger than the sum of its proper divisors (556839436).

1113678866 is an equidigital number, since it uses as much as digits as its factorization.

1113678866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556839435.

The product of its digits is 290304, while the sum is 47.

The square root of 1113678866 is about 33371.8274297348. The cubic root of 1113678866 is about 1036.5414159714.

The spelling of 1113678866 in words is "one billion, one hundred thirteen million, six hundred seventy-eight thousand, eight hundred sixty-six".