912857197 has 8 divisors (see below), whose sum is σ = 1043675136. Its totient is φ = 782141712.

The previous prime is 912857161. The next prime is 912857207. The reversal of 912857197 is 791758219.

912857197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 912857197 - 2¹¹ = 912855149 is a prime.

It is a super-3 number, since 3×912857197³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 912857197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912857117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5458 + ... + 43075.

It is an arithmetic number, because the mean of its divisors is an integer number (130459392).

Almost surely, 2^912857197 is an apocalyptic number.

It is an amenable number.

912857197 is a deficient number, since it is larger than the sum of its proper divisors (130817939).

912857197 is a wasteful number, since it uses less digits than its factorization.

912857197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51227.

The product of its digits is 317520, while the sum is 49.

The square root of 912857197 is about 30213.5267223143. The cubic root of 912857197 is about 970.0652512168.

The spelling of 912857197 in words is "nine hundred twelve million, eight hundred fifty-seven thousand, one hundred ninety-seven".