91848814928 has 60 divisors (see below), whose sum is σ = 201077442720. Its totient is φ = 40548613248.

The previous prime is 91848814921. The next prime is 91848814949. The reversal of 91848814928 is 82941884819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91848814921) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 676238 + ... + 800621.

It is an arithmetic number, because the mean of its divisors is an integer number (3351290712).

Almost surely, 2^91848814928 is an apocalyptic number.

It is an amenable number.

91848814928 is an abundant number, since it is smaller than the sum of its proper divisors (109228627792).

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

91848814928 is a wasteful number, since it uses less digits than its factorization.

91848814928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476916 (or 1476897 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 62.

The spelling of 91848814928 in words is "ninety-one billion, eight hundred forty-eight million, eight hundred fourteen thousand, nine hundred twenty-eight".