85942178018 has 8 divisors (see below), whose sum is σ = 129066920640. Its totient is φ = 42919871140.

The previous prime is 85942177999. The next prime is 85942178027. The reversal of 85942178018 is 81087124958.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25606838 + ... + 25610193.

It is an arithmetic number, because the mean of its divisors is an integer number (16133365080).

Almost surely, 2^85942178018 is an apocalyptic number.

85942178018 is a deficient number, since it is larger than the sum of its proper divisors (43124742622).

85942178018 is a wasteful number, since it uses less digits than its factorization.

85942178018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51217872.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 85942178018 in words is "eighty-five billion, nine hundred forty-two million, one hundred seventy-eight thousand, eighteen".