2108355077 has 2 divisors, whose sum is σ = 2108355078. Its totient is φ = 2108355076.

The previous prime is 2108355049. The next prime is 2108355089. The reversal of 2108355077 is 7705538012.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1606326241 + 502028836 = 40079^2 + 22406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2108355077 - 2⁸ = 2108354821 is a prime.

It is a super-2 number, since 2×2108355077² = 8890322261423351858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2108355077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2108355037) 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, 1054177538 + 1054177539.

It is an arithmetic number, because the mean of its divisors is an integer number (1054177539).

Almost surely, 2^2108355077 is an apocalyptic number.

It is an amenable number.

2108355077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108355077 is an equidigital number, since it uses as much as digits as its factorization.

2108355077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 2108355077 is about 45916.8278194389. The cubic root of 2108355077 is about 1282.2752251968.

The spelling of 2108355077 in words is "two billion, one hundred eight million, three hundred fifty-five thousand, seventy-seven".