9840673427977 has 4 divisors (see below), whose sum is σ = 11246483917696. Its totient is φ = 8434862938260.

The previous prime is 9840673427971. The next prime is 9840673428029. The reversal of 9840673427977 is 7797243760489.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9840673427977 - 2³ = 9840673427969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9840673427971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702905244849 + ... + 702905244862.

It is an arithmetic number, because the mean of its divisors is an integer number (2811620979424).

Almost surely, 2^{9840673427977} is an apocalyptic number.

It is an amenable number.

9840673427977 is a deficient number, since it is larger than the sum of its proper divisors (1405810489719).

9840673427977 is a wasteful number, since it uses less digits than its factorization.

9840673427977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405810489718.

The product of its (nonzero) digits is 896168448, while the sum is 73.

The spelling of 9840673427977 in words is "nine trillion, eight hundred forty billion, six hundred seventy-three million, four hundred twenty-seven thousand, nine hundred seventy-seven".