85851101775 has 12 divisors (see below), whose sum is σ = 141940488392. Its totient is φ = 45787254240.

The previous prime is 85851101773. The next prime is 85851101801. The reversal of 85851101775 is 57710115858.

It is not a de Polignac number, because 85851101775 - 2¹ = 85851101773 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85851101773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572340604 + ... + 572340753.

Almost surely, 2^85851101775 is an apocalyptic number.

85851101775 is a deficient number, since it is larger than the sum of its proper divisors (56089386617).

85851101775 is a wasteful number, since it uses less digits than its factorization.

85851101775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144681370 (or 1144681365 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 48.

The spelling of 85851101775 in words is "eighty-five billion, eight hundred fifty-one million, one hundred one thousand, seven hundred seventy-five".