85873846847 has 2 divisors, whose sum is σ = 85873846848. Its totient is φ = 85873846846.

The previous prime is 85873846837. The next prime is 85873846859. The reversal of 85873846847 is 74864837858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85873846847 - 2¹⁸ = 85873584703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85873846837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42936923423 + 42936923424.

It is an arithmetic number, because the mean of its divisors is an integer number (42936923424).

Almost surely, 2^85873846847 is an apocalyptic number.

85873846847 is a deficient number, since it is larger than the sum of its proper divisors (1).

85873846847 is an equidigital number, since it uses as much as digits as its factorization.

85873846847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 289013760, while the sum is 68.

The spelling of 85873846847 in words is "eighty-five billion, eight hundred seventy-three million, eight hundred forty-six thousand, eight hundred forty-seven".