91798419504 has 60 divisors (see below), whose sum is σ = 260664536888. Its totient is φ = 27817701120.

The previous prime is 91798419491. The next prime is 91798419511. The reversal of 91798419504 is 40591489719.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7896949 + ... + 7908564.

Almost surely, 2^91798419504 is an apocalyptic number.

It is an amenable number.

91798419504 is an abundant number, since it is smaller than the sum of its proper divisors (168866117384).

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

91798419504 is a wasteful number, since it uses less digits than its factorization.

91798419504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15805546 (or 15805529 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 91798419504 in words is "ninety-one billion, seven hundred ninety-eight million, four hundred nineteen thousand, five hundred four".