91760779111 has 8 divisors (see below), whose sum is σ = 91944382320. Its totient is φ = 91577304192.

The previous prime is 91760779067. The next prime is 91760779169. The reversal of 91760779111 is 11197706719.

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 91760779111 - 2⁷ = 91760778983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91760779811) 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, 1469535 + ... + 1530703.

It is an arithmetic number, because the mean of its divisors is an integer number (11493047790).

Almost surely, 2^91760779111 is an apocalyptic number.

91760779111 is a deficient number, since it is larger than the sum of its proper divisors (183603209).

91760779111 is a wasteful number, since it uses less digits than its factorization.

91760779111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64145.

The product of its (nonzero) digits is 166698, while the sum is 49.

The spelling of 91760779111 in words is "ninety-one billion, seven hundred sixty million, seven hundred seventy-nine thousand, one hundred eleven".