91072771919306 has 8 divisors (see below), whose sum is σ = 142548686482464. Its totient is φ = 43556543091820.

The previous prime is 91072771919281. The next prime is 91072771919333. The reversal of 91072771919306 is 60391917727019.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989921433860 + ... + 989921433951.

It is an arithmetic number, because the mean of its divisors is an integer number (17818585810308).

Almost surely, 2^{91072771919306} is an apocalyptic number.

91072771919306 is a deficient number, since it is larger than the sum of its proper divisors (51475914563158).

91072771919306 is a wasteful number, since it uses less digits than its factorization.

91072771919306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979842867836.

The product of its (nonzero) digits is 9001692, while the sum is 62.

The spelling of 91072771919306 in words is "ninety-one trillion, seventy-two billion, seven hundred seventy-one million, nine hundred nineteen thousand, three hundred six".