85851737231107 has 2 divisors, whose sum is σ = 85851737231108. Its totient is φ = 85851737231106.

The previous prime is 85851737231059. The next prime is 85851737231171. The reversal of 85851737231107 is 70113273715858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85851737231107 - 2¹⁹ = 85851736706819 is a prime.

It is a super-3 number, since 3×85851737231107³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85851737238107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42925868615553 + 42925868615554.

It is an arithmetic number, because the mean of its divisors is an integer number (42925868615554).

Almost surely, 2^{85851737231107} is an apocalyptic number.

85851737231107 is a deficient number, since it is larger than the sum of its proper divisors (1).

85851737231107 is an equidigital number, since it uses as much as digits as its factorization.

85851737231107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9878400, while the sum is 58.

The spelling of 85851737231107 in words is "eighty-five trillion, eight hundred fifty-one billion, seven hundred thirty-seven million, two hundred thirty-one thousand, one hundred seven".