1082198779 has 2 divisors, whose sum is σ = 1082198780. Its totient is φ = 1082198778.

The previous prime is 1082198753. The next prime is 1082198791. The reversal of 1082198779 is 9778912801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1082198779 - 2⁷ = 1082198651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1082198279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541099389 + 541099390.

It is an arithmetic number, because the mean of its divisors is an integer number (541099390).

Almost surely, 2^1082198779 is an apocalyptic number.

1082198779 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082198779 is an equidigital number, since it uses as much as digits as its factorization.

1082198779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 52.

The square root of 1082198779 is about 32896.7897977903. The cubic root of 1082198779 is about 1026.6813662487.

The spelling of 1082198779 in words is "one billion, eighty-two million, one hundred ninety-eight thousand, seven hundred seventy-nine".