91825342764 has 12 divisors (see below), whose sum is σ = 214259133144. Its totient is φ = 30608447584.

The previous prime is 91825342751. The next prime is 91825342793. The reversal of 91825342764 is 46724352819.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3826055937 + ... + 3826055960.

It is an arithmetic number, because the mean of its divisors is an integer number (17854927762).

Almost surely, 2^91825342764 is an apocalyptic number.

It is an amenable number.

91825342764 is an abundant number, since it is smaller than the sum of its proper divisors (122433790380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91825342764 is a wasteful number, since it uses less digits than its factorization.

91825342764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7652111904 (or 7652111902 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 91825342764 in words is "ninety-one billion, eight hundred twenty-five million, three hundred forty-two thousand, seven hundred sixty-four".