83100050091 has 8 divisors (see below), whose sum is σ = 123111185360. Its totient is φ = 55400033376.

The previous prime is 83100050027. The next prime is 83100050177. The reversal of 83100050091 is 19005000138.

It is not a de Polignac number, because 83100050091 - 2⁶ = 83100050027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3077779633 = 83100050091 / (8 + 3 + 1 + 0 + 0 + 0 + 5 + 0 + 0 + 9 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83100050791) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1538889790 + ... + 1538889843.

It is an arithmetic number, because the mean of its divisors is an integer number (15388898170).

Almost surely, 2^83100050091 is an apocalyptic number.

83100050091 is a deficient number, since it is larger than the sum of its proper divisors (40011135269).

83100050091 is a wasteful number, since it uses less digits than its factorization.

83100050091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077779642 (or 3077779636 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 83100050091 in words is "eighty-three billion, one hundred million, fifty thousand, ninety-one".