86447066 has 4 divisors (see below), whose sum is σ = 129670602. Its totient is φ = 43223532.

The previous prime is 86447029. The next prime is 86447083. The reversal of 86447066 is 66074468.

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

It can be written as a sum of positive squares in only one way, i.e., 85840225 + 606841 = 9265^2 + 779^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21611765 + ... + 21611768.

Almost surely, 2^86447066 is an apocalyptic number.

86447066 is a deficient number, since it is larger than the sum of its proper divisors (43223536).

86447066 is a wasteful number, since it uses less digits than its factorization.

86447066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43223535.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 86447066 is about 9297.6914338991. The cubic root of 86447066 is about 442.1640396290.

The spelling of 86447066 in words is "eighty-six million, four hundred forty-seven thousand, sixty-six".