1076666687 has 2 divisors, whose sum is σ = 1076666688. Its totient is φ = 1076666686.

The previous prime is 1076666681. The next prime is 1076666719. The reversal of 1076666687 is 7866666701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1076666687 - 2⁶ = 1076666623 is a prime.

It is a super-2 number, since 2×1076666687² = 2318422309791111938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1076666681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538333343 + 538333344.

It is an arithmetic number, because the mean of its divisors is an integer number (538333344).

Almost surely, 2^1076666687 is an apocalyptic number.

1076666687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1076666687 is an equidigital number, since it uses as much as digits as its factorization.

1076666687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The square root of 1076666687 is about 32812.5995160396. The cubic root of 1076666687 is about 1024.9289459372.

The spelling of 1076666687 in words is "one billion, seventy-six million, six hundred sixty-six thousand, six hundred eighty-seven".