83845572719 has 2 divisors, whose sum is σ = 83845572720. Its totient is φ = 83845572718.

The previous prime is 83845572611. The next prime is 83845572737. The reversal of 83845572719 is 91727554838.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83845572719 is a prime.

It is a super-2 number, since 2×83845572719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83845562719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41922786359 + 41922786360.

It is an arithmetic number, because the mean of its divisors is an integer number (41922786360).

Almost surely, 2^83845572719 is an apocalyptic number.

83845572719 is a deficient number, since it is larger than the sum of its proper divisors (1).

83845572719 is an equidigital number, since it uses as much as digits as its factorization.

83845572719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 59.

The spelling of 83845572719 in words is "eighty-three billion, eight hundred forty-five million, five hundred seventy-two thousand, seven hundred nineteen".