9777341217 has 16 divisors (see below), whose sum is σ = 15262192512. Its totient is φ = 5450782080.

The previous prime is 9777341209. The next prime is 9777341251. The reversal of 9777341217 is 7121437779.

It is not a de Polignac number, because 9777341217 - 2³ = 9777341209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9777341017) 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, 5677038 + ... + 5678759.

It is an arithmetic number, because the mean of its divisors is an integer number (953887032).

Almost surely, 2^9777341217 is an apocalyptic number.

It is an amenable number.

9777341217 is a deficient number, since it is larger than the sum of its proper divisors (5484851295).

9777341217 is a wasteful number, since it uses less digits than its factorization.

9777341217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11355848.

The product of its digits is 518616, while the sum is 48.

The square root of 9777341217 is about 98880.4390008459. The cubic root of 9777341217 is about 2138.3243948944.

The spelling of 9777341217 in words is "nine billion, seven hundred seventy-seven million, three hundred forty-one thousand, two hundred seventeen".