86350891 has 8 divisors (see below), whose sum is σ = 96205824. Its totient is φ = 76830120.

The previous prime is 86350843. The next prime is 86350921. The reversal of 86350891 is 19805368.

It is a happy number.

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 86350891 - 2⁹ = 86350379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86050891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82995 + ... + 84028.

It is an arithmetic number, because the mean of its divisors is an integer number (12025728).

Almost surely, 2^86350891 is an apocalyptic number.

86350891 is a deficient number, since it is larger than the sum of its proper divisors (9854933).

86350891 is a wasteful number, since it uses less digits than its factorization.

86350891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167081.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 86350891 is about 9292.5180118200. The cubic root of 86350891 is about 442.0000051187. Note that the first 5 decimals are identical.

The spelling of 86350891 in words is "eighty-six million, three hundred fifty thousand, eight hundred ninety-one".