8120887 has 2 divisors, whose sum is σ = 8120888. Its totient is φ = 8120886.

The previous prime is 8120873. The next prime is 8120891. The reversal of 8120887 is 7880218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8120887 - 2⁷ = 8120759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8120807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060443 + 4060444.

It is an arithmetic number, because the mean of its divisors is an integer number (4060444).

Almost surely, 2^8120887 is an apocalyptic number.

8120887 is a deficient number, since it is larger than the sum of its proper divisors (1).

8120887 is an equidigital number, since it uses as much as digits as its factorization.

8120887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 8120887 is about 2849.7170034935. The cubic root of 8120887 is about 201.0023596499.

The spelling of 8120887 in words is "eight million, one hundred twenty thousand, eight hundred eighty-seven".