86643068 has 24 divisors (see below), whose sum is σ = 157308480. Its totient is φ = 41706560.

The previous prime is 86643049. The next prime is 86643077. The reversal of 86643068 is 86034668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49130 + ... + 50862.

It is an arithmetic number, because the mean of its divisors is an integer number (6554520).

Almost surely, 2^86643068 is an apocalyptic number.

It is an amenable number.

86643068 is a deficient number, since it is larger than the sum of its proper divisors (70665412).

86643068 is a wasteful number, since it uses less digits than its factorization.

86643068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 86643068 is about 9308.2258245060. The cubic root of 86643068 is about 442.4979611980.

Subtracting from 86643068 its reverse (86034668), we obtain a square (608400 = 780²).

It can be divided in two parts, 866 and 43068, that added together give a palindrome (43934).

The spelling of 86643068 in words is "eighty-six million, six hundred forty-three thousand, sixty-eight".