86361566 has 8 divisors (see below), whose sum is σ = 129617544. Its totient is φ = 43155720.

The previous prime is 86361563. The next prime is 86361571. The reversal of 86361566 is 66516368.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86361563) 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, 7880 + ... + 15323.

It is an arithmetic number, because the mean of its divisors is an integer number (16202193).

Almost surely, 2^86361566 is an apocalyptic number.

86361566 is a deficient number, since it is larger than the sum of its proper divisors (43255978).

86361566 is a wasteful number, since it uses less digits than its factorization.

86361566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25066.

The product of its digits is 155520, while the sum is 41.

The square root of 86361566 is about 9293.0923809031. The cubic root of 86361566 is about 442.0182182318.

The spelling of 86361566 in words is "eighty-six million, three hundred sixty-one thousand, five hundred sixty-six".