85480785861 has 16 divisors (see below), whose sum is σ = 120945553920. Its totient is φ = 53585594480.

The previous prime is 85480785847. The next prime is 85480785881. The reversal of 85480785861 is 16858708458.

It is a cyclic number.

It is not a de Polignac number, because 85480785861 - 2¹¹ = 85480783813 is a prime.

It is a super-2 number, since 2×85480785861² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85480785795 and 85480785804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85480785881) 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, 10494675 + ... + 10502816.

It is an arithmetic number, because the mean of its divisors is an integer number (7559097120).

Almost surely, 2^85480785861 is an apocalyptic number.

It is an amenable number.

85480785861 is a deficient number, since it is larger than the sum of its proper divisors (35464768059).

85480785861 is a wasteful number, since it uses less digits than its factorization.

85480785861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20997576.

The product of its (nonzero) digits is 17203200, while the sum is 60.

The spelling of 85480785861 in words is "eighty-five billion, four hundred eighty million, seven hundred eighty-five thousand, eight hundred sixty-one".