91742387935 has 16 divisors (see below), whose sum is σ = 127163781792. Its totient is φ = 62796928000.

The previous prime is 91742387909. The next prime is 91742387941. The reversal of 91742387935 is 53978324719.

It is not a de Polignac number, because 91742387935 - 2¹⁵ = 91742355167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91742387935.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49059166 + ... + 49061035.

It is an arithmetic number, because the mean of its divisors is an integer number (7947736362).

Almost surely, 2^91742387935 is an apocalyptic number.

91742387935 is a deficient number, since it is larger than the sum of its proper divisors (35421393857).

91742387935 is a wasteful number, since it uses less digits than its factorization.

91742387935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98120234.

The product of its digits is 11430720, while the sum is 58.

The spelling of 91742387935 in words is "ninety-one billion, seven hundred forty-two million, three hundred eighty-seven thousand, nine hundred thirty-five".