9797372737979 has 4 divisors (see below), whose sum is σ = 9803424236040. Its totient is φ = 9791321239920.

The previous prime is 9797372737973. The next prime is 9797372737981.

9797372737979 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 a de Polignac number, because none of the positive numbers 2^k-9797372737979 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 9797372737979.

It is not an unprimeable number, because it can be changed into a prime (9797372737973) 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, 3025746602 + ... + 3025749839.

It is an arithmetic number, because the mean of its divisors is an integer number (2450856059010).

Almost surely, 2^{9797372737979} is an apocalyptic number.

9797372737979 is a deficient number, since it is larger than the sum of its proper divisors (6051498061).

9797372737979 is a wasteful number, since it uses less digits than its factorization.

9797372737979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051498060.

The product of its digits is 13894111602, while the sum is 86.

The spelling of 9797372737979 in words is "nine trillion, seven hundred ninety-seven billion, three hundred seventy-two million, seven hundred thirty-seven thousand, nine hundred seventy-nine".