86521195 has 8 divisors (see below), whose sum is σ = 105140160. Its totient is φ = 68340480.

The previous prime is 86521189. The next prime is 86521223. The reversal of 86521195 is 59112568.

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

It is not a de Polignac number, because 86521195 - 2⁷ = 86521067 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 109126 + ... + 109915.

It is an arithmetic number, because the mean of its divisors is an integer number (13142520).

Almost surely, 2^86521195 is an apocalyptic number.

86521195 is a deficient number, since it is larger than the sum of its proper divisors (18618965).

86521195 is a wasteful number, since it uses less digits than its factorization.

86521195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219125.

The product of its digits is 21600, while the sum is 37.

The square root of 86521195 is about 9301.6769993373. The cubic root of 86521195 is about 442.2903898345.

The spelling of 86521195 in words is "eighty-six million, five hundred twenty-one thousand, one hundred ninety-five".