1085455577 has 2 divisors, whose sum is σ = 1085455578. Its totient is φ = 1085455576.

The previous prime is 1085455573. The next prime is 1085455633. The reversal of 1085455577 is 7755545801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1082146816 + 3308761 = 32896^2 + 1819^2 .

It is an emirp because it is prime and its reverse (7755545801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1085455577 - 2² = 1085455573 is a prime.

It is not a weakly prime, because it can be changed into another prime (1085455571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542727788 + 542727789.

It is an arithmetic number, because the mean of its divisors is an integer number (542727789).

Almost surely, 2^1085455577 is an apocalyptic number.

It is an amenable number.

1085455577 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085455577 is an equidigital number, since it uses as much as digits as its factorization.

1085455577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 980000, while the sum is 47.

The square root of 1085455577 is about 32946.2528521834. The cubic root of 1085455577 is about 1027.7102422990.

The spelling of 1085455577 in words is "one billion, eighty-five million, four hundred fifty-five thousand, five hundred seventy-seven".