86834117 has 4 divisors (see below), whose sum is σ = 87080460. Its totient is φ = 86587776.

The previous prime is 86834093. The next prime is 86834129. The reversal of 86834117 is 71143868.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32649796 + 54184321 = 5714^2 + 7361^2 .

It is a cyclic number.

It is not a de Polignac number, because 86834117 - 2⁶ = 86834053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86834417) 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, 122642 + ... + 123347.

It is an arithmetic number, because the mean of its divisors is an integer number (21770115).

Almost surely, 2^86834117 is an apocalyptic number.

It is an amenable number.

86834117 is a deficient number, since it is larger than the sum of its proper divisors (246343).

86834117 is a wasteful number, since it uses less digits than its factorization.

86834117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246342.

The product of its digits is 32256, while the sum is 38.

The square root of 86834117 is about 9318.4825481406. The cubic root of 86834117 is about 442.8229602029.

The spelling of 86834117 in words is "eighty-six million, eight hundred thirty-four thousand, one hundred seventeen".