9783954593879 has 4 divisors (see below), whose sum is σ = 9784246137576. Its totient is φ = 9783663050184.

The previous prime is 9783954593827. The next prime is 9783954593927.

9783954593879 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9783954593879 - 2²⁸ = 9783686158423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9783954593879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9783954593279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145721504 + ... + 145788629.

It is an arithmetic number, because the mean of its divisors is an integer number (2446061534394).

Almost surely, 2^{9783954593879} is an apocalyptic number.

9783954593879 is a deficient number, since it is larger than the sum of its proper divisors (291543697).

9783954593879 is a wasteful number, since it uses less digits than its factorization.

9783954593879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291543696.

The product of its digits is 18517766400, while the sum is 86.

The spelling of 9783954593879 in words is "nine trillion, seven hundred eighty-three billion, nine hundred fifty-four million, five hundred ninety-three thousand, eight hundred seventy-nine".