86699866 has 32 divisors (see below), whose sum is σ = 145981440. Its totient is φ = 38281200.

The previous prime is 86699803. The next prime is 86699909. The reversal of 86699866 is 66899668.

It is a self number, because there is not a number n which added to its sum of digits gives 86699866.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197275 + ... + 197713.

It is an arithmetic number, because the mean of its divisors is an integer number (4561920).

Almost surely, 2^86699866 is an apocalyptic number.

86699866 is a deficient number, since it is larger than the sum of its proper divisors (59281574).

86699866 is a wasteful number, since it uses less digits than its factorization.

86699866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its digits is 6718464, while the sum is 58.

The square root of 86699866 is about 9311.2762820142. The cubic root of 86699866 is about 442.5946317872.

The spelling of 86699866 in words is "eighty-six million, six hundred ninety-nine thousand, eight hundred sixty-six".