86117142 has 8 divisors (see below), whose sum is σ = 172234296. Its totient is φ = 28705712.

The previous prime is 86117099. The next prime is 86117147. The reversal of 86117142 is 24171168.

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

86117142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86117147) 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, 7176423 + ... + 7176434.

It is an arithmetic number, because the mean of its divisors is an integer number (21529287).

Almost surely, 2^86117142 is an apocalyptic number.

86117142 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.

86117142 is a wasteful number, since it uses less digits than its factorization.

86117142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14352862.

The product of its digits is 2688, while the sum is 30.

The square root of 86117142 is about 9279.9322195801. The cubic root of 86117142 is about 441.6008182516.

It can be divided in two parts, 8611 and 7142, that added together give a triangular number (15753 = T₁₇₇).

The spelling of 86117142 in words is "eighty-six million, one hundred seventeen thousand, one hundred forty-two".