7917796977197 has 8 divisors (see below), whose sum is σ = 7927889578560. Its totient is φ = 7907709348000.

The previous prime is 7917796977161. The next prime is 7917796977271.

It is a happy number.

7917796977197 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7917796977197 - 2⁶ = 7917796977133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7917796947197) 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 in 7 ways as a sum of consecutive naturals, for example, 1949054 + ... + 4431072.

It is an arithmetic number, because the mean of its divisors is an integer number (990986197320).

Almost surely, 2^{7917796977197} is an apocalyptic number.

It is an amenable number.

7917796977197 is a deficient number, since it is larger than the sum of its proper divisors (10092601363).

7917796977197 is a wasteful number, since it uses less digits than its factorization.

7917796977197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2486083.

The product of its digits is 4631370534, while the sum is 86.

The spelling of 7917796977197 in words is "seven trillion, nine hundred seventeen billion, seven hundred ninety-six million, nine hundred seventy-seven thousand, one hundred ninety-seven".