85841775861 has 8 divisors (see below), whose sum is σ = 116890929024. Its totient is φ = 56010236640.

The previous prime is 85841775779. The next prime is 85841775863. The reversal of 85841775861 is 16857714858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85841775861 - 2¹¹ = 85841773813 is a prime.

It is a super-3 number, since 3×85841775861³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85841775795 and 85841775804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85841775863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304403320 + ... + 304403601.

It is an arithmetic number, because the mean of its divisors is an integer number (14611366128).

Almost surely, 2^85841775861 is an apocalyptic number.

It is an amenable number.

85841775861 is a deficient number, since it is larger than the sum of its proper divisors (31049153163).

85841775861 is a wasteful number, since it uses less digits than its factorization.

85841775861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608806971.

The product of its digits is 15052800, while the sum is 60.

The spelling of 85841775861 in words is "eighty-five billion, eight hundred forty-one million, seven hundred seventy-five thousand, eight hundred sixty-one".