85851712088747 has 16 divisors (see below), whose sum is σ = 95651304413184. Its totient is φ = 76384678080000.

The previous prime is 85851712088699. The next prime is 85851712088789. The reversal of 85851712088747 is 74788021715858.

It is a cyclic number.

It is not a de Polignac number, because 85851712088747 - 2¹⁰ = 85851712087723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85851712088797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20833547 + ... + 24611787.

It is an arithmetic number, because the mean of its divisors is an integer number (5978206525824).

Almost surely, 2^{85851712088747} is an apocalyptic number.

85851712088747 is a deficient number, since it is larger than the sum of its proper divisors (9799592324437).

85851712088747 is a wasteful number, since it uses less digits than its factorization.

85851712088747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822250.

The product of its (nonzero) digits is 280985600, while the sum is 71.

The spelling of 85851712088747 in words is "eighty-five trillion, eight hundred fifty-one billion, seven hundred twelve million, eighty-eight thousand, seven hundred forty-seven".