2082391877 has 2 divisors, whose sum is σ = 2082391878. Its totient is φ = 2082391876.

The previous prime is 2082391819. The next prime is 2082391903. The reversal of 2082391877 is 7781932802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1989962881 + 92428996 = 44609^2 + 9614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2082391877 - 2¹⁰ = 2082390853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2082391477) 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, 1041195938 + 1041195939.

It is an arithmetic number, because the mean of its divisors is an integer number (1041195939).

Almost surely, 2^2082391877 is an apocalyptic number.

It is an amenable number.

2082391877 is a deficient number, since it is larger than the sum of its proper divisors (1).

2082391877 is an equidigital number, since it uses as much as digits as its factorization.

2082391877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 2082391877 is about 45633.2321559628. The cubic root of 2082391877 is about 1276.9899725041.

The spelling of 2082391877 in words is "two billion, eighty-two million, three hundred ninety-one thousand, eight hundred seventy-seven".