86170047 has 8 divisors (see below), whose sum is σ = 116078256. Its totient is φ = 56854272.

The previous prime is 86170039. The next prime is 86170081. The reversal of 86170047 is 74007168.

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

It is not a de Polignac number, because 86170047 - 2³ = 86170039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86170027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147768 + ... + 148349.

It is an arithmetic number, because the mean of its divisors is an integer number (14509782).

Almost surely, 2^86170047 is an apocalyptic number.

86170047 is a deficient number, since it is larger than the sum of its proper divisors (29908209).

86170047 is a wasteful number, since it uses less digits than its factorization.

86170047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296217.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 86170047 is about 9282.7822876549. The cubic root of 86170047 is about 441.6912304047.

The spelling of 86170047 in words is "eighty-six million, one hundred seventy thousand, forty-seven".