1109772827 has 2 divisors, whose sum is σ = 1109772828. Its totient is φ = 1109772826.

The previous prime is 1109772823. The next prime is 1109772889. The reversal of 1109772827 is 7282779011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1109772827 - 2² = 1109772823 is a prime.

It is not a weakly prime, because it can be changed into another prime (1109772823) 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, 554886413 + 554886414.

It is an arithmetic number, because the mean of its divisors is an integer number (554886414).

Almost surely, 2^1109772827 is an apocalyptic number.

1109772827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109772827 is an equidigital number, since it uses as much as digits as its factorization.

1109772827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 44.

The square root of 1109772827 is about 33313.2530233840. The cubic root of 1109772827 is about 1035.3281655982.

The spelling of 1109772827 in words is "one billion, one hundred nine million, seven hundred seventy-two thousand, eight hundred twenty-seven".