8641197082777 has 12 divisors (see below), whose sum is σ = 10052587098576. Its totient is φ = 7406311272360.

The previous prime is 8641197082751. The next prime is 8641197082853. The reversal of 8641197082777 is 7772807911468.

It is not a de Polignac number, because 8641197082777 - 2¹⁵ = 8641197050009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8641197082277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4252243 + ... + 5946760.

It is an arithmetic number, because the mean of its divisors is an integer number (837715591548).

Almost surely, 2^{8641197082777} is an apocalyptic number.

It is an amenable number.

8641197082777 is a deficient number, since it is larger than the sum of its proper divisors (1411390015799).

8641197082777 is a wasteful number, since it uses less digits than its factorization.

8641197082777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216308 (or 10216301 counting only the distinct ones).

The product of its (nonzero) digits is 66382848, while the sum is 67.

The spelling of 8641197082777 in words is "eight trillion, six hundred forty-one billion, one hundred ninety-seven million, eighty-two thousand, seven hundred seventy-seven".