86660800 has 42 divisors (see below), whose sum is σ = 213243668. Its totient is φ = 34663680.

The previous prime is 86660797. The next prime is 86660837. The reversal of 86660800 is 806668.

It is a happy number.

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 5 ways as a sum of consecutive naturals, for example, 25482 + ... + 28681.

Almost surely, 2^86660800 is an apocalyptic number.

86660800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86660800 is an abundant number, since it is smaller than the sum of its proper divisors (126582868).

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

86660800 is a wasteful number, since it uses less digits than its factorization.

86660800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54185 (or 54170 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 86660800 is about 9309.1782666356. The cubic root of 86660800 is about 442.5281457195.

The spelling of 86660800 in words is "eighty-six million, six hundred sixty thousand, eight hundred".