9780989822177 has 16 divisors (see below), whose sum is σ = 11838398326272. Its totient is φ = 7888827271680.

The previous prime is 9780989822147. The next prime is 9780989822189. The reversal of 9780989822177 is 7712289890879.

It is not a de Polignac number, because 9780989822177 - 2⁶ = 9780989822113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9780989822098 and 9780989822107.

It is not an unprimeable number, because it can be changed into a prime (9780989822147) 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, 8405228 + ... + 9497885.

It is an arithmetic number, because the mean of its divisors is an integer number (739899895392).

Almost surely, 2^{9780989822177} is an apocalyptic number.

It is an amenable number.

9780989822177 is a deficient number, since it is larger than the sum of its proper divisors (2057408504095).

9780989822177 is a wasteful number, since it uses less digits than its factorization.

9780989822177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17907728.

The product of its (nonzero) digits is 512096256, while the sum is 77.

The spelling of 9780989822177 in words is "nine trillion, seven hundred eighty billion, nine hundred eighty-nine million, eight hundred twenty-two thousand, one hundred seventy-seven".