83089594891 has 2 divisors, whose sum is σ = 83089594892. Its totient is φ = 83089594890.

The previous prime is 83089594879. The next prime is 83089594937. The reversal of 83089594891 is 19849598038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83089594891 - 2¹¹ = 83089592843 is a prime.

It is not a weakly prime, because it can be changed into another prime (83089594871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41544797445 + 41544797446.

It is an arithmetic number, because the mean of its divisors is an integer number (41544797446).

Almost surely, 2^83089594891 is an apocalyptic number.

83089594891 is a deficient number, since it is larger than the sum of its proper divisors (1).

83089594891 is an equidigital number, since it uses as much as digits as its factorization.

83089594891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22394880, while the sum is 64.

The spelling of 83089594891 in words is "eighty-three billion, eighty-nine million, five hundred ninety-four thousand, eight hundred ninety-one".