1086007691 has 2 divisors, whose sum is σ = 1086007692. Its totient is φ = 1086007690.

The previous prime is 1086007687. The next prime is 1086007697. The reversal of 1086007691 is 1967006801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1086007691 - 2² = 1086007687 is a prime.

It is a super-2 number, since 2×1086007691² = 2358825409822302962, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1086007697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543003845 + 543003846.

It is an arithmetic number, because the mean of its divisors is an integer number (543003846).

Almost surely, 2^1086007691 is an apocalyptic number.

1086007691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086007691 is an equidigital number, since it uses as much as digits as its factorization.

1086007691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1086007691 is about 32954.6307975070. The cubic root of 1086007691 is about 1027.8844600952.

The spelling of 1086007691 in words is "one billion, eighty-six million, seven thousand, six hundred ninety-one".