85186474256383 has 2 divisors, whose sum is σ = 85186474256384. Its totient is φ = 85186474256382.

The previous prime is 85186474256363. The next prime is 85186474256441. The reversal of 85186474256383 is 38365247468158.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85186474256383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85186474256363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42593237128191 + 42593237128192.

It is an arithmetic number, because the mean of its divisors is an integer number (42593237128192).

Almost surely, 2^{85186474256383} is an apocalyptic number.

85186474256383 is a deficient number, since it is larger than the sum of its proper divisors (1).

85186474256383 is an equidigital number, since it uses as much as digits as its factorization.

85186474256383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 928972800, while the sum is 70.

The spelling of 85186474256383 in words is "eighty-five trillion, one hundred eighty-six billion, four hundred seventy-four million, two hundred fifty-six thousand, three hundred eighty-three".