2082877787857 has 2 divisors, whose sum is σ = 2082877787858. Its totient is φ = 2082877787856.

The previous prime is 2082877787843. The next prime is 2082877787869. The reversal of 2082877787857 is 7587877782802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849140348561 + 233737439296 = 1359831^2 + 483464^2 .

It is a cyclic number.

It is not a de Polignac number, because 2082877787857 - 2²³ = 2082869399249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2082877787807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1041438893928 + 1041438893929.

It is an arithmetic number, because the mean of its divisors is an integer number (1041438893929).

Almost surely, 2^{2082877787857} is an apocalyptic number.

It is an amenable number.

2082877787857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2082877787857 is an equidigital number, since it uses as much as digits as its factorization.

2082877787857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1376829440, while the sum is 76.

The spelling of 2082877787857 in words is "two trillion, eighty-two billion, eight hundred seventy-seven million, seven hundred eighty-seven thousand, eight hundred fifty-seven".