86704166 has 4 divisors (see below), whose sum is σ = 130056252. Its totient is φ = 43352082.

The previous prime is 86704153. The next prime is 86704243. The reversal of 86704166 is 66140768.

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

It is a super-2 number, since 2×86704166² = 15035224803511112, which contains 22 as substring.

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, 21676040 + ... + 21676043.

It is an arithmetic number, because the mean of its divisors is an integer number (32514063).

Almost surely, 2^86704166 is an apocalyptic number.

86704166 is a deficient number, since it is larger than the sum of its proper divisors (43352086).

86704166 is a wasteful number, since it uses less digits than its factorization.

86704166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43352085.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 86704166 is about 9311.5071819765. The cubic root of 86704166 is about 442.6019486976.

The spelling of 86704166 in words is "eighty-six million, seven hundred four thousand, one hundred sixty-six".