86217064 has 64 divisors (see below), whose sum is σ = 183047040. Its totient is φ = 37847040.

The previous prime is 86217049. The next prime is 86217083. The reversal of 86217064 is 46071268.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134184 + ... + 134824.

It is an arithmetic number, because the mean of its divisors is an integer number (2860110).

Almost surely, 2^86217064 is an apocalyptic number.

It is an amenable number.

86217064 is an abundant number, since it is smaller than the sum of its proper divisors (96829976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86217064 is a wasteful number, since it uses less digits than its factorization.

86217064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 86217064 is about 9285.3144265555. The cubic root of 86217064 is about 441.7715491907.

The spelling of 86217064 in words is "eighty-six million, two hundred seventeen thousand, sixty-four".