86171318242 has 8 divisors (see below), whose sum is σ = 134876846016. Its totient is φ = 41212369572.

The previous prime is 86171318201. The next prime is 86171318249. The reversal of 86171318242 is 24281317168.

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

It is not an unprimeable number, because it can be changed into a prime (86171318249) 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, 936644718 + ... + 936644809.

It is an arithmetic number, because the mean of its divisors is an integer number (16859605752).

Almost surely, 2^86171318242 is an apocalyptic number.

86171318242 is a deficient number, since it is larger than the sum of its proper divisors (48705527774).

86171318242 is a wasteful number, since it uses less digits than its factorization.

86171318242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873289552.

The product of its digits is 129024, while the sum is 43.

The spelling of 86171318242 in words is "eighty-six billion, one hundred seventy-one million, three hundred eighteen thousand, two hundred forty-two".