91329248808 has 288 divisors, whose sum is σ = 290336592000. Its totient is φ = 25403777280.

The previous prime is 91329248779. The next prime is 91329248819. The reversal of 91329248808 is 80884292319.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 261688218 + ... + 261688566.

Almost surely, 2^91329248808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91329248808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145168296000).

91329248808 is an abundant number, since it is smaller than the sum of its proper divisors (199007343192).

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

91329248808 is a wasteful number, since it uses less digits than its factorization.

91329248808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 91329248808 in words is "ninety-one billion, three hundred twenty-nine million, two hundred forty-eight thousand, eight hundred eight".