91930981483727 has 8 divisors (see below), whose sum is σ = 93954944644032. Its totient is φ = 89909851024800.

The previous prime is 91930981483687. The next prime is 91930981483777. The reversal of 91930981483727 is 72738418903919.

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 91930981483727 - 2¹⁶ = 91930981418191 is a prime.

It is a super-2 number, since 2×91930981483727² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91930981483777) 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, 708109724 + ... + 708239537.

It is an arithmetic number, because the mean of its divisors is an integer number (11744368080504).

Almost surely, 2^{91930981483727} is an apocalyptic number.

91930981483727 is a deficient number, since it is larger than the sum of its proper divisors (2023963160305).

91930981483727 is a wasteful number, since it uses less digits than its factorization.

91930981483727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416350689.

The product of its (nonzero) digits is 164602368, while the sum is 71.

The spelling of 91930981483727 in words is "ninety-one trillion, nine hundred thirty billion, nine hundred eighty-one million, four hundred eighty-three thousand, seven hundred twenty-seven".