1188006797 has 2 divisors, whose sum is σ = 1188006798. Its totient is φ = 1188006796.

The previous prime is 1188006791. The next prime is 1188006817. The reversal of 1188006797 is 7976008811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123188196 + 64818601 = 33514^2 + 8051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1188006797 - 2¹⁰ = 1188005773 is a prime.

It is a super-2 number, since 2×1188006797² = 2822720299436398418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1188006791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594003398 + 594003399.

It is an arithmetic number, because the mean of its divisors is an integer number (594003399).

Almost surely, 2^1188006797 is an apocalyptic number.

It is an amenable number.

1188006797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1188006797 is an equidigital number, since it uses as much as digits as its factorization.

1188006797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 1188006797 is about 34467.4744795728. The cubic root of 1188006797 is about 1059.1065204406.

The spelling of 1188006797 in words is "one billion, one hundred eighty-eight million, six thousand, seven hundred ninety-seven".