1098200377 has 2 divisors, whose sum is σ = 1098200378. Its totient is φ = 1098200376.

The previous prime is 1098200359. The next prime is 1098200407. The reversal of 1098200377 is 7730028901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098193321 + 7056 = 33139^2 + 84^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1098200377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1098204377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549100188 + 549100189.

It is an arithmetic number, because the mean of its divisors is an integer number (549100189).

Almost surely, 2^1098200377 is an apocalyptic number.

It is an amenable number.

1098200377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098200377 is an equidigital number, since it uses as much as digits as its factorization.

1098200377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1098200377 is about 33139.1064604947. The cubic root of 1098200377 is about 1031.7168642300.

The spelling of 1098200377 in words is "one billion, ninety-eight million, two hundred thousand, three hundred seventy-seven".