1099478027 has 2 divisors, whose sum is σ = 1099478028. Its totient is φ = 1099478026.

The previous prime is 1099477999. The next prime is 1099478041. The reversal of 1099478027 is 7208749901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1099478027 is a prime.

It is not a weakly prime, because it can be changed into another prime (1099478047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549739013 + 549739014.

It is an arithmetic number, because the mean of its divisors is an integer number (549739014).

Almost surely, 2^1099478027 is an apocalyptic number.

1099478027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099478027 is an equidigital number, since it uses as much as digits as its factorization.

1099478027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 47.

The square root of 1099478027 is about 33158.3779307734. The cubic root of 1099478027 is about 1032.1168101234.

The spelling of 1099478027 in words is "one billion, ninety-nine million, four hundred seventy-eight thousand, twenty-seven".