85718471178 has 8 divisors (see below), whose sum is σ = 171436942368. Its totient is φ = 28572823724.

The previous prime is 85718471159. The next prime is 85718471183. The reversal of 85718471178 is 87117481758.

It is a happy number.

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

85718471178 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7143205926 + ... + 7143205937.

It is an arithmetic number, because the mean of its divisors is an integer number (21429617796).

Almost surely, 2^85718471178 is an apocalyptic number.

85718471178 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85718471178 is a wasteful number, since it uses less digits than its factorization.

85718471178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14286411868.

The product of its digits is 3512320, while the sum is 57.

The spelling of 85718471178 in words is "eighty-five billion, seven hundred eighteen million, four hundred seventy-one thousand, one hundred seventy-eight".