86447065 has 32 divisors (see below), whose sum is σ = 111992832. Its totient is φ = 63936000.

The previous prime is 86447029. The next prime is 86447083. The reversal of 86447065 is 56074468.

It is not a de Polignac number, because 86447065 - 2⁷ = 86446937 is a prime.

It is a super-2 number, since 2×86447065² = 14946190094228450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387544 + ... + 387766.

It is an arithmetic number, because the mean of its divisors is an integer number (3499776).

Almost surely, 2^86447065 is an apocalyptic number.

It is an amenable number.

86447065 is a deficient number, since it is larger than the sum of its proper divisors (25545767).

86447065 is a wasteful number, since it uses less digits than its factorization.

86447065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 86447065 is about 9297.6913801223. The cubic root of 86447065 is about 442.1640379241.

The spelling of 86447065 in words is "eighty-six million, four hundred forty-seven thousand, sixty-five".