86847047 has 4 divisors (see below), whose sum is σ = 99253776. Its totient is φ = 74440320.

The previous prime is 86847031. The next prime is 86847109. The reversal of 86847047 is 74074868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86847047 - 2⁴ = 86847031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86846989 and 86847007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86841047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6203354 + ... + 6203367.

It is an arithmetic number, because the mean of its divisors is an integer number (24813444).

Almost surely, 2^86847047 is an apocalyptic number.

86847047 is a deficient number, since it is larger than the sum of its proper divisors (12406729).

86847047 is a wasteful number, since it uses less digits than its factorization.

86847047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12406728.

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 86847047 is about 9319.1763048029. The cubic root of 86847047 is about 442.8449385716.

The spelling of 86847047 in words is "eighty-six million, eight hundred forty-seven thousand, forty-seven".