86670385 has 8 divisors (see below), whose sum is σ = 104072256. Its totient is φ = 69291120.

The previous prime is 86670383. The next prime is 86670401. The reversal of 86670385 is 58307668.

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

It is not a de Polignac number, because 86670385 - 2¹ = 86670383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86670383) 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, 4422 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (13009032).

Almost surely, 2^86670385 is an apocalyptic number.

It is an amenable number.

86670385 is a deficient number, since it is larger than the sum of its proper divisors (17401871).

86670385 is a wasteful number, since it uses less digits than its factorization.

86670385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 86670385 is about 9309.6930669061. The cubic root of 86670385 is about 442.5444601927.

The spelling of 86670385 in words is "eighty-six million, six hundred seventy thousand, three hundred eighty-five".