91327422000 has 160 divisors (see below), whose sum is σ = 297300257280. Its totient is φ = 24117369600.

The previous prime is 91327421953. The next prime is 91327422029. The reversal of 91327422000 is 22472319.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 544111 + ... + 691889.

It is an arithmetic number, because the mean of its divisors is an integer number (1858126608).

Almost surely, 2^91327422000 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 91327422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148650128640).

91327422000 is an abundant number, since it is smaller than the sum of its proper divisors (205972835280).

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

91327422000 is a wasteful number, since it uses less digits than its factorization.

91327422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147908 (or 147892 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 91327422000 its reverse (22472319), we get a palindrome (91349894319).

The spelling of 91327422000 in words is "ninety-one billion, three hundred twenty-seven million, four hundred twenty-two thousand".