91130047284 has 24 divisors (see below), whose sum is σ = 212650185888. Its totient is φ = 30374766880.

The previous prime is 91130047273. The next prime is 91130047313. The reversal of 91130047284 is 48274003119.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 34182 + ... + 428285.

It is an arithmetic number, because the mean of its divisors is an integer number (8860424412).

Almost surely, 2^91130047284 is an apocalyptic number.

It is an amenable number.

91130047284 is an abundant number, since it is smaller than the sum of its proper divisors (121520138604).

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

91130047284 is a wasteful number, since it uses less digits than its factorization.

91130047284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478895 (or 478893 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 91130047284 in words is "ninety-one billion, one hundred thirty million, forty-seven thousand, two hundred eighty-four".