971268887 has 2 divisors, whose sum is σ = 971268888. Its totient is φ = 971268886.

The previous prime is 971268839. The next prime is 971268911. The reversal of 971268887 is 788862179.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 971268887 - 2⁸ = 971268631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971264887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485634443 + 485634444.

It is an arithmetic number, because the mean of its divisors is an integer number (485634444).

Almost surely, 2^971268887 is an apocalyptic number.

971268887 is a deficient number, since it is larger than the sum of its proper divisors (1).

971268887 is an equidigital number, since it uses as much as digits as its factorization.

971268887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 56.

The square root of 971268887 is about 31165.1871003529. The cubic root of 971268887 is about 990.3297500326.

The spelling of 971268887 in words is "nine hundred seventy-one million, two hundred sixty-eight thousand, eight hundred eighty-seven".