9777732880923 has 32 divisors (see below), whose sum is σ = 16555977651200. Its totient is φ = 5586909406848.

The previous prime is 9777732880901. The next prime is 9777732881027. The reversal of 9777732880923 is 3290882377779.

9777732880923 is a `hidden beast` number, since 9 + 77 + 77 + 328 + 80 + 92 + 3 = 666.

It is not a de Polignac number, because 9777732880923 - 2⁴⁰ = 8678221253147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9777732884923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1204938 + ... + 4583376.

It is an arithmetic number, because the mean of its divisors is an integer number (517374301600).

Almost surely, 2^{9777732880923} is an apocalyptic number.

9777732880923 is a deficient number, since it is larger than the sum of its proper divisors (6778244770277).

9777732880923 is a wasteful number, since it uses less digits than its factorization.

9777732880923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393768 (or 3393762 counting only the distinct ones).

The product of its (nonzero) digits is 448084224, while the sum is 72.

The spelling of 9777732880923 in words is "nine trillion, seven hundred seventy-seven billion, seven hundred thirty-two million, eight hundred eighty thousand, nine hundred twenty-three".