8261874877 has 2 divisors, whose sum is σ = 8261874878. Its totient is φ = 8261874876.

The previous prime is 8261874871. The next prime is 8261874941. The reversal of 8261874877 is 7784781628.

8261874877 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6205343076 + 2056531801 = 78774^2 + 45349^2 .

It is a cyclic number.

It is not a de Polignac number, because 8261874877 - 2³ = 8261874869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8261874871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4130937438 + 4130937439.

It is an arithmetic number, because the mean of its divisors is an integer number (4130937439).

Almost surely, 2^8261874877 is an apocalyptic number.

It is an amenable number.

8261874877 is a deficient number, since it is larger than the sum of its proper divisors (1).

8261874877 is an equidigital number, since it uses as much as digits as its factorization.

8261874877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8429568, while the sum is 58.

The square root of 8261874877 is about 90894.8561635916. The cubic root of 8261874877 is about 2021.5890248903.

The spelling of 8261874877 in words is "eight billion, two hundred sixty-one million, eight hundred seventy-four thousand, eight hundred seventy-seven".