9071197556854 has 4 divisors (see below), whose sum is σ = 13606796335284. Its totient is φ = 4535598778426.

The previous prime is 9071197556849. The next prime is 9071197556903. The reversal of 9071197556854 is 4586557911709.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 9071197556854.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2267799389212 + ... + 2267799389215.

It is an arithmetic number, because the mean of its divisors is an integer number (3401699083821).

Almost surely, 2^{9071197556854} is an apocalyptic number.

9071197556854 is a deficient number, since it is larger than the sum of its proper divisors (4535598778430).

9071197556854 is a wasteful number, since it uses less digits than its factorization.

9071197556854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535598778429.

The product of its (nonzero) digits is 95256000, while the sum is 67.

The spelling of 9071197556854 in words is "nine trillion, seventy-one billion, one hundred ninety-seven million, five hundred fifty-six thousand, eight hundred fifty-four".