91883686756707 has 6 divisors (see below), whose sum is σ = 132720880870812. Its totient is φ = 61255791171132.

The previous prime is 91883686756699. The next prime is 91883686756711. The reversal of 91883686756707 is 70765768638819.

It is a happy number.

91883686756707 is a `hidden beast` number, since 9 + 1 + 88 + 368 + 67 + 56 + 70 + 7 = 666.

It is not a de Polignac number, because 91883686756707 - 2³ = 91883686756699 is a prime.

It is a super-2 number, since 2×91883686756707² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91883686756907) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5104649264253 + ... + 5104649264270.

It is an arithmetic number, because the mean of its divisors is an integer number (22120146811802).

Almost surely, 2^{91883686756707} is an apocalyptic number.

91883686756707 is a deficient number, since it is larger than the sum of its proper divisors (40837194114105).

91883686756707 is a wasteful number, since it uses less digits than its factorization.

91883686756707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10209298528529 (or 10209298528526 counting only the distinct ones).

The product of its (nonzero) digits is 5120962560, while the sum is 81.

The spelling of 91883686756707 in words is "ninety-one trillion, eight hundred eighty-three billion, six hundred eighty-six million, seven hundred fifty-six thousand, seven hundred seven".