86850864 has 30 divisors (see below), whose sum is σ = 243062196. Its totient is φ = 28950240.

The previous prime is 86850847. The next prime is 86850889. The reversal of 86850864 is 46805868.

86850864 is a `hidden beast` number, since 86 + 8 + 508 + 64 = 666.

It is a super-3 number, since 3×86850864³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 301422 + ... + 301709.

Almost surely, 2^86850864 is an apocalyptic number.

It is an amenable number.

86850864 is an abundant number, since it is smaller than the sum of its proper divisors (156211332).

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

86850864 is a wasteful number, since it uses less digits than its factorization.

86850864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603145 (or 603136 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 86850864 is about 9319.3810953303. The cubic root of 86850864 is about 442.8514262777.

The spelling of 86850864 in words is "eighty-six million, eight hundred fifty thousand, eight hundred sixty-four".