85874765712499 has 2 divisors, whose sum is σ = 85874765712500. Its totient is φ = 85874765712498.

The previous prime is 85874765712473. The next prime is 85874765712587. The reversal of 85874765712499 is 99421756747858.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85874765712499 - 2³⁷ = 85737326759027 is a prime.

It is a super-3 number, since 3×85874765712499³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (85874765712299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42937382856249 + 42937382856250.

It is an arithmetic number, because the mean of its divisors is an integer number (42937382856250).

Almost surely, 2^{85874765712499} is an apocalyptic number.

85874765712499 is a deficient number, since it is larger than the sum of its proper divisors (1).

85874765712499 is an equidigital number, since it uses as much as digits as its factorization.

85874765712499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8534937600, while the sum is 82.

The spelling of 85874765712499 in words is "eighty-five trillion, eight hundred seventy-four billion, seven hundred sixty-five million, seven hundred twelve thousand, four hundred ninety-nine".