86681768 has 16 divisors (see below), whose sum is σ = 163106880. Its totient is φ = 43186608.

The previous prime is 86681747. The next prime is 86681801. The reversal of 86681768 is 86718668.

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 3 ways as a sum of consecutive naturals, for example, 16880 + ... + 21407.

It is an arithmetic number, because the mean of its divisors is an integer number (10194180).

Almost surely, 2^86681768 is an apocalyptic number.

It is an amenable number.

86681768 is a deficient number, since it is larger than the sum of its proper divisors (76425112).

86681768 is a wasteful number, since it uses less digits than its factorization.

86681768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38576 (or 38572 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 86681768 is about 9310.3043988905. The cubic root of 86681768 is about 442.5638334503.

The spelling of 86681768 in words is "eighty-six million, six hundred eighty-one thousand, seven hundred sixty-eight".