9777145796 has 12 divisors (see below), whose sum is σ = 18665460240. Its totient is φ = 4444157160.

The previous prime is 9777145787. The next prime is 9777145849. The reversal of 9777145796 is 6975417779.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111103886 + ... + 111103973.

It is an arithmetic number, because the mean of its divisors is an integer number (1555455020).

Almost surely, 2^9777145796 is an apocalyptic number.

It is an amenable number.

9777145796 is a deficient number, since it is larger than the sum of its proper divisors (8888314444).

9777145796 is a wasteful number, since it uses less digits than its factorization.

9777145796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222207874 (or 222207872 counting only the distinct ones).

The product of its digits is 23337720, while the sum is 62.

The square root of 9777145796 is about 98879.4508277630. The cubic root of 9777145796 is about 2138.3101484762.

The spelling of 9777145796 in words is "nine billion, seven hundred seventy-seven million, one hundred forty-five thousand, seven hundred ninety-six".