91088087741 has 16 divisors (see below), whose sum is σ = 107626564608. Its totient is φ = 75438950400.

The previous prime is 91088087737. The next prime is 91088087759. The reversal of 91088087741 is 14778088019.

It is a cyclic number.

It is not a de Polignac number, because 91088087741 - 2² = 91088087737 is a prime.

It is a super-2 number, since 2×91088087741² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91088087711) 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, 188330 + ... + 466523.

It is an arithmetic number, because the mean of its divisors is an integer number (6726660288).

Almost surely, 2^91088087741 is an apocalyptic number.

It is an amenable number.

91088087741 is a deficient number, since it is larger than the sum of its proper divisors (16538476867).

91088087741 is a wasteful number, since it uses less digits than its factorization.

91088087741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655532.

The product of its (nonzero) digits is 903168, while the sum is 53.

The spelling of 91088087741 in words is "ninety-one billion, eighty-eight million, eighty-seven thousand, seven hundred forty-one".