2103085877 has 2 divisors, whose sum is σ = 2103085878. Its totient is φ = 2103085876.

The previous prime is 2103085867. The next prime is 2103085903. The reversal of 2103085877 is 7785803012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1052418481 + 1050667396 = 32441^2 + 32414^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103085877 - 2¹⁸ = 2102823733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103085867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051542938 + 1051542939.

It is an arithmetic number, because the mean of its divisors is an integer number (1051542939).

Almost surely, 2^2103085877 is an apocalyptic number.

It is an amenable number.

2103085877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103085877 is an equidigital number, since it uses as much as digits as its factorization.

2103085877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 2103085877 is about 45859.4142679559. The cubic root of 2103085877 is about 1281.2061135172.

Adding to 2103085877 its reverse (7785803012), we get a palindrome (9888888889).

The spelling of 2103085877 in words is "two billion, one hundred three million, eighty-five thousand, eight hundred seventy-seven".