8966776197 has 16 divisors (see below), whose sum is σ = 12237065280. Its totient is φ = 5837244672.

The previous prime is 8966776187. The next prime is 8966776201. The reversal of 8966776197 is 7916776698.

8966776197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-8966776197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8966776187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 639223 + ... + 653099.

It is an arithmetic number, because the mean of its divisors is an integer number (764816580).

Almost surely, 2^8966776197 is an apocalyptic number.

It is an amenable number.

8966776197 is a deficient number, since it is larger than the sum of its proper divisors (3270289083).

8966776197 is a wasteful number, since it uses less digits than its factorization.

8966776197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18932.

The product of its digits is 48009024, while the sum is 66.

The square root of 8966776197 is about 94693.0630880636. The cubic root of 8966776197 is about 2077.5211005139.

The spelling of 8966776197 in words is "eight billion, nine hundred sixty-six million, seven hundred seventy-six thousand, one hundred ninety-seven".