83677344433 has 2 divisors, whose sum is σ = 83677344434. Its totient is φ = 83677344432.

The previous prime is 83677344419. The next prime is 83677344451. The reversal of 83677344433 is 33444377638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67209525504 + 16467818929 = 259248^2 + 128327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83677344433 is a prime.

It is not a weakly prime, because it can be changed into another prime (83677344493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41838672216 + 41838672217.

It is an arithmetic number, because the mean of its divisors is an integer number (41838672217).

Almost surely, 2^83677344433 is an apocalyptic number.

It is an amenable number.

83677344433 is a deficient number, since it is larger than the sum of its proper divisors (1).

83677344433 is an equidigital number, since it uses as much as digits as its factorization.

83677344433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 52.

The spelling of 83677344433 in words is "eighty-three billion, six hundred seventy-seven million, three hundred forty-four thousand, four hundred thirty-three".