86218648 has 8 divisors (see below), whose sum is σ = 161659980. Its totient is φ = 43109320.

The previous prime is 86218631. The next prime is 86218709. The reversal of 86218648 is 84681268.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5388658 + ... + 5388673.

Almost surely, 2^86218648 is an apocalyptic number.

It is an amenable number.

86218648 is a deficient number, since it is larger than the sum of its proper divisors (75441332).

86218648 is a wasteful number, since it uses less digits than its factorization.

86218648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10777337 (or 10777333 counting only the distinct ones).

The product of its digits is 147456, while the sum is 43.

The square root of 86218648 is about 9285.3997221444. The cubic root of 86218648 is about 441.7742546174.

The spelling of 86218648 in words is "eighty-six million, two hundred eighteen thousand, six hundred forty-eight".