9854939176879 has 2 divisors, whose sum is σ = 9854939176880. Its totient is φ = 9854939176878.

The previous prime is 9854939176837. The next prime is 9854939176921. The reversal of 9854939176879 is 9786719394589.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9854939176837) and next prime (9854939176921).

It is an emirp because it is prime and its reverse (9786719394589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9854939176879 - 2⁹ = 9854939176367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9854939176796 and 9854939176805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9854939176829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4927469588439 + 4927469588440.

It is an arithmetic number, because the mean of its divisors is an integer number (4927469588440).

Almost surely, 2^{9854939176879} is an apocalyptic number.

9854939176879 is a deficient number, since it is larger than the sum of its proper divisors (1).

9854939176879 is an equidigital number, since it uses as much as digits as its factorization.

9854939176879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7407106560, while the sum is 85.

The spelling of 9854939176879 in words is "nine trillion, eight hundred fifty-four billion, nine hundred thirty-nine million, one hundred seventy-six thousand, eight hundred seventy-nine".