85416183719 has 2 divisors, whose sum is σ = 85416183720. Its totient is φ = 85416183718.

The previous prime is 85416183709. The next prime is 85416183731. The reversal of 85416183719 is 91738161458.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85416183719 is a prime.

It is a super-2 number, since 2×85416183719² (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 (85416183709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42708091859 + 42708091860.

It is an arithmetic number, because the mean of its divisors is an integer number (42708091860).

Almost surely, 2^85416183719 is an apocalyptic number.

85416183719 is a deficient number, since it is larger than the sum of its proper divisors (1).

85416183719 is an equidigital number, since it uses as much as digits as its factorization.

85416183719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 53.

The spelling of 85416183719 in words is "eighty-five billion, four hundred sixteen million, one hundred eighty-three thousand, seven hundred nineteen".