85718437158 has 8 divisors (see below), whose sum is σ = 171436874328. Its totient is φ = 28572812384.

The previous prime is 85718437157. The next prime is 85718437193. The reversal of 85718437158 is 85173481758.

It is a happy number.

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

85718437158 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85718437098 and 85718437107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85718437157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7143203091 + ... + 7143203102.

It is an arithmetic number, because the mean of its divisors is an integer number (21429609291).

Almost surely, 2^85718437158 is an apocalyptic number.

85718437158 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.

85718437158 is a wasteful number, since it uses less digits than its factorization.

85718437158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14286406198.

The product of its digits is 7526400, while the sum is 57.

The spelling of 85718437158 in words is "eighty-five billion, seven hundred eighteen million, four hundred thirty-seven thousand, one hundred fifty-eight".