7912790972197 has 16 divisors (see below), whose sum is σ = 8009780214528. Its totient is φ = 7816313290240.

The previous prime is 7912790972159. The next prime is 7912790972213.

7912790972197 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 7912790972197 - 2¹⁹ = 7912790447909 is a prime.

It is a super-2 number, since 2×7912790972197² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7912790972147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46328718 + ... + 46499200.

It is an arithmetic number, because the mean of its divisors is an integer number (500611263408).

Almost surely, 2^{7912790972197} is an apocalyptic number.

It is an amenable number.

7912790972197 is a deficient number, since it is larger than the sum of its proper divisors (96989242331).

7912790972197 is a wasteful number, since it uses less digits than its factorization.

7912790972197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171980.

The product of its (nonzero) digits is 63011844, while the sum is 70.

The spelling of 7912790972197 in words is "seven trillion, nine hundred twelve billion, seven hundred ninety million, nine hundred seventy-two thousand, one hundred ninety-seven".