91228000283 has 4 divisors (see below), whose sum is σ = 104260571760. Its totient is φ = 78195428808.

The previous prime is 91228000271. The next prime is 91228000313. The reversal of 91228000283 is 38200082219.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38200082219 = 13 ⋅2938467863.

It is not a de Polignac number, because 91228000283 - 2⁸ = 91228000027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91228000223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6516285728 + ... + 6516285741.

It is an arithmetic number, because the mean of its divisors is an integer number (26065142940).

Almost surely, 2^91228000283 is an apocalyptic number.

91228000283 is a deficient number, since it is larger than the sum of its proper divisors (13032571477).

91228000283 is a wasteful number, since it uses less digits than its factorization.

91228000283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13032571476.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 91228000283 in words is "ninety-one billion, two hundred twenty-eight million, two hundred eighty-three", and thus it is an aban number.