916966871 has 2 divisors, whose sum is σ = 916966872. Its totient is φ = 916966870.

The previous prime is 916966867. The next prime is 916966877. The reversal of 916966871 is 178669619.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 916966871 - 2² = 916966867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916966877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458483435 + 458483436.

It is an arithmetic number, because the mean of its divisors is an integer number (458483436).

Almost surely, 2^916966871 is an apocalyptic number.

916966871 is a deficient number, since it is larger than the sum of its proper divisors (1).

916966871 is an equidigital number, since it uses as much as digits as its factorization.

916966871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 53.

The square root of 916966871 is about 30281.4608465312. The cubic root of 916966871 is about 971.5188134499.

The spelling of 916966871 in words is "nine hundred sixteen million, nine hundred sixty-six thousand, eight hundred seventy-one".