91827000517 has 16 divisors (see below), whose sum is σ = 109109862400. Its totient is φ = 75621852720.

The previous prime is 91827000511. The next prime is 91827000527. The reversal of 91827000517 is 71500072819.

It is a cyclic number.

It is not a de Polignac number, because 91827000517 - 2¹⁹ = 91826476229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91827000517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91827000511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492017 + ... + 1552342.

It is an arithmetic number, because the mean of its divisors is an integer number (6819366400).

Almost surely, 2^91827000517 is an apocalyptic number.

It is an amenable number.

91827000517 is a deficient number, since it is larger than the sum of its proper divisors (17282861883).

91827000517 is a wasteful number, since it uses less digits than its factorization.

91827000517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044536.

The product of its (nonzero) digits is 35280, while the sum is 40.

The spelling of 91827000517 in words is "ninety-one billion, eight hundred twenty-seven million, five hundred seventeen", and thus it is an aban number.