91886336105 has 8 divisors (see below), whose sum is σ = 110425047552. Its totient is φ = 73401439408.

The previous prime is 91886336083. The next prime is 91886336111. The reversal of 91886336105 is 50163368819.

It is a happy number.

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 91886336105 - 2⁶ = 91886336041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13449929 + ... + 13456758.

It is an arithmetic number, because the mean of its divisors is an integer number (13803130944).

Almost surely, 2^91886336105 is an apocalyptic number.

It is an amenable number.

91886336105 is a deficient number, since it is larger than the sum of its proper divisors (18538711447).

91886336105 is a wasteful number, since it uses less digits than its factorization.

91886336105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26907375.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 91886336105 in words is "ninety-one billion, eight hundred eighty-six million, three hundred thirty-six thousand, one hundred five".