86855705 has 8 divisors (see below), whose sum is σ = 108758592. Its totient is φ = 66463408.

The previous prime is 86855683. The next prime is 86855731. The reversal of 86855705 is 50755868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86855705 - 2⁶ = 86855641 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 377519 + ... + 377748.

It is an arithmetic number, because the mean of its divisors is an integer number (13594824).

Almost surely, 2^86855705 is an apocalyptic number.

It is an amenable number.

86855705 is a deficient number, since it is larger than the sum of its proper divisors (21902887).

86855705 is a wasteful number, since it uses less digits than its factorization.

86855705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755295.

The product of its (nonzero) digits is 336000, while the sum is 44.

The square root of 86855705 is about 9319.6408192591. The cubic root of 86855705 is about 442.8596541902.

The spelling of 86855705 in words is "eighty-six million, eight hundred fifty-five thousand, seven hundred five".