86705860 has 24 divisors (see below), whose sum is σ = 189999936. Its totient is φ = 33174240.

The previous prime is 86705833. The next prime is 86705863. The reversal of 86705860 is 6850768.

It is not an unprimeable number, because it can be changed into a prime (86705863) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 93786 + ... + 94705.

It is an arithmetic number, because the mean of its divisors is an integer number (7916664).

Almost surely, 2^86705860 is an apocalyptic number.

It is an amenable number.

86705860 is an abundant number, since it is smaller than the sum of its proper divisors (103294076).

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

86705860 is a wasteful number, since it uses less digits than its factorization.

86705860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188523 (or 188521 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 86705860 is about 9311.5981442500. The cubic root of 86705860 is about 442.6048311536.

The spelling of 86705860 in words is "eighty-six million, seven hundred five thousand, eight hundred sixty".