91054385197 has 8 divisors (see below), whose sum is σ = 96333256800. Its totient is φ = 85824167184.

The previous prime is 91054385021. The next prime is 91054385263. The reversal of 91054385197 is 79158345019.

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 91054385197 - 2¹¹ = 91054383149 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 (91054395197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12159547 + ... + 12167032.

It is an arithmetic number, because the mean of its divisors is an integer number (12041657100).

Almost surely, 2^91054385197 is an apocalyptic number.

It is an amenable number.

91054385197 is a deficient number, since it is larger than the sum of its proper divisors (5278871603).

91054385197 is a wasteful number, since it uses less digits than its factorization.

91054385197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24326795.

The product of its (nonzero) digits is 1360800, while the sum is 52.

The spelling of 91054385197 in words is "ninety-one billion, fifty-four million, three hundred eighty-five thousand, one hundred ninety-seven".