86943718 has 4 divisors (see below), whose sum is σ = 130415580. Its totient is φ = 43471858.

The previous prime is 86943709. The next prime is 86943733. The reversal of 86943718 is 81734968.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21735928 + ... + 21735931.

It is an arithmetic number, because the mean of its divisors is an integer number (32603895).

Almost surely, 2^86943718 is an apocalyptic number.

86943718 is a deficient number, since it is larger than the sum of its proper divisors (43471862).

86943718 is a wasteful number, since it uses less digits than its factorization.

86943718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43471861.

The product of its digits is 290304, while the sum is 46.

The square root of 86943718 is about 9324.3615331024. The cubic root of 86943718 is about 443.0091905143.

The spelling of 86943718 in words is "eighty-six million, nine hundred forty-three thousand, seven hundred eighteen".