8672116897 has 2 divisors, whose sum is σ = 8672116898. Its totient is φ = 8672116896.

The previous prime is 8672116883. The next prime is 8672116909. The reversal of 8672116897 is 7986112768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8544968721 + 127148176 = 92439^2 + 11276^2 .

It is a cyclic number.

It is not a de Polignac number, because 8672116897 - 2⁷ = 8672116769 is a prime.

It is a super-2 number, since 2×8672116897² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8672116697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4336058448 + 4336058449.

It is an arithmetic number, because the mean of its divisors is an integer number (4336058449).

Almost surely, 2^8672116897 is an apocalyptic number.

It is an amenable number.

8672116897 is a deficient number, since it is larger than the sum of its proper divisors (1).

8672116897 is an equidigital number, since it uses as much as digits as its factorization.

8672116897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 55.

The square root of 8672116897 is about 93124.2014569789. The cubic root of 8672116897 is about 2054.5105439967.

The spelling of 8672116897 in words is "eight billion, six hundred seventy-two million, one hundred sixteen thousand, eight hundred ninety-seven".