2098777427 has 2 divisors, whose sum is σ = 2098777428. Its totient is φ = 2098777426.

The previous prime is 2098777423. The next prime is 2098777453. The reversal of 2098777427 is 7247778902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2098777427 - 2² = 2098777423 is a prime.

It is not a weakly prime, because it can be changed into another prime (2098777423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049388713 + 1049388714.

It is an arithmetic number, because the mean of its divisors is an integer number (1049388714).

Almost surely, 2^2098777427 is an apocalyptic number.

2098777427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098777427 is an equidigital number, since it uses as much as digits as its factorization.

2098777427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2765952, while the sum is 53.

The square root of 2098777427 is about 45812.4156424871. The cubic root of 2098777427 is about 1280.3306085702.

The spelling of 2098777427 in words is "two billion, ninety-eight million, seven hundred seventy-seven thousand, four hundred twenty-seven".