83748219287 has 2 divisors, whose sum is σ = 83748219288. Its totient is φ = 83748219286.

The previous prime is 83748219251. The next prime is 83748219371. The reversal of 83748219287 is 78291284738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83748219287 - 2¹² = 83748215191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83748219487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41874109643 + 41874109644.

It is an arithmetic number, because the mean of its divisors is an integer number (41874109644).

Almost surely, 2^83748219287 is an apocalyptic number.

83748219287 is a deficient number, since it is larger than the sum of its proper divisors (1).

83748219287 is an equidigital number, since it uses as much as digits as its factorization.

83748219287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10838016, while the sum is 59.

The spelling of 83748219287 in words is "eighty-three billion, seven hundred forty-eight million, two hundred nineteen thousand, two hundred eighty-seven".