9197678709057 has 8 divisors (see below), whose sum is σ = 12277460145184. Its totient is φ = 6124841539488.

The previous prime is 9197678709049. The next prime is 9197678709059. The reversal of 9197678709057 is 7509078767919.

It is a happy number.

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

It is not a de Polignac number, because 9197678709057 - 2³ = 9197678709049 is a prime.

It is the 3032768-th Hogben number.

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 9197678709057.

It is not an unprimeable number, because it can be changed into a prime (9197678709059) by changing a digit.

It is a nontrivial repunit in base 3032767.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1736063548 + ... + 1736068845.

It is an arithmetic number, because the mean of its divisors is an integer number (1534682518148).

Almost surely, 2^{9197678709057} is an apocalyptic number.

It is an amenable number.

9197678709057 is a deficient number, since it is larger than the sum of its proper divisors (3079781436127).

9197678709057 is a wasteful number, since it uses less digits than its factorization.

9197678709057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472133279.

The product of its (nonzero) digits is 420078960, while the sum is 75.

The spelling of 9197678709057 in words is "nine trillion, one hundred ninety-seven billion, six hundred seventy-eight million, seven hundred nine thousand, fifty-seven".