86531856142 has 8 divisors (see below), whose sum is σ = 136629246600. Its totient is φ = 40988773944.

The previous prime is 86531856133. The next prime is 86531856163. The reversal of 86531856142 is 24165813568.

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

It is a congruent 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, 1138577017 + ... + 1138577092.

It is an arithmetic number, because the mean of its divisors is an integer number (17078655825).

Almost surely, 2^86531856142 is an apocalyptic number.

86531856142 is a deficient number, since it is larger than the sum of its proper divisors (50097390458).

86531856142 is a wasteful number, since it uses less digits than its factorization.

86531856142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277154130.

The product of its digits is 1382400, while the sum is 49.

The spelling of 86531856142 in words is "eighty-six billion, five hundred thirty-one million, eight hundred fifty-six thousand, one hundred forty-two".