91001000896 has 56 divisors (see below), whose sum is σ = 196192072944. Its totient is φ = 41628733440.

The previous prime is 91001000843. The next prime is 91001000917. The reversal of 91001000896 is 69800010019.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389950 + ... + 577981.

It is an arithmetic number, because the mean of its divisors is an integer number (3503429874).

Almost surely, 2^91001000896 is an apocalyptic number.

It is an amenable number.

91001000896 is an abundant number, since it is smaller than the sum of its proper divisors (105191072048).

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

91001000896 is a wasteful number, since it uses less digits than its factorization.

91001000896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968069 (or 968059 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The spelling of 91001000896 in words is "ninety-one billion, one million, eight hundred ninety-six", and thus it is an aban number.