86170009247 has 16 divisors (see below), whose sum is σ = 100527700992. Its totient is φ = 72336987360.

The previous prime is 86170009201. The next prime is 86170009259. The reversal of 86170009247 is 74290007168.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86170009247 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86170009198 and 86170009207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86170009447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449879 + ... + 612152.

It is an arithmetic number, because the mean of its divisors is an integer number (6282981312).

Almost surely, 2^86170009247 is an apocalyptic number.

86170009247 is a deficient number, since it is larger than the sum of its proper divisors (14357691745).

86170009247 is a wasteful number, since it uses less digits than its factorization.

86170009247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062278.

The product of its (nonzero) digits is 169344, while the sum is 44.

The spelling of 86170009247 in words is "eighty-six billion, one hundred seventy million, nine thousand, two hundred forty-seven".