8091877 has 2 divisors, whose sum is σ = 8091878. Its totient is φ = 8091876.

The previous prime is 8091871. The next prime is 8091901. The reversal of 8091877 is 7781908.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4990756 + 3101121 = 2234^2 + 1761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8091877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8091871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4045938 + 4045939.

It is an arithmetic number, because the mean of its divisors is an integer number (4045939).

Almost surely, 2^8091877 is an apocalyptic number.

It is an amenable number.

8091877 is a deficient number, since it is larger than the sum of its proper divisors (1).

8091877 is an equidigital number, since it uses as much as digits as its factorization.

8091877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 8091877 is about 2844.6224705574. The cubic root of 8091877 is about 200.7627291899.

The spelling of 8091877 in words is "eight million, ninety-one thousand, eight hundred seventy-seven".