86854391 has 8 divisors (see below), whose sum is σ = 96761280. Its totient is φ = 77408352.

The previous prime is 86854381. The next prime is 86854393. The reversal of 86854391 is 19345868.

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

It is a cyclic number.

It is not a de Polignac number, because 86854391 - 2¹⁰ = 86853367 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 (86854393) 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, 114815 + ... + 115568.

It is an arithmetic number, because the mean of its divisors is an integer number (12095160).

Almost surely, 2^86854391 is an apocalyptic number.

86854391 is a deficient number, since it is larger than the sum of its proper divisors (9906889).

86854391 is a wasteful number, since it uses less digits than its factorization.

86854391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230425.

The product of its digits is 207360, while the sum is 44.

The square root of 86854391 is about 9319.5703227134. The cubic root of 86854391 is about 442.8574209056.

The spelling of 86854391 in words is "eighty-six million, eight hundred fifty-four thousand, three hundred ninety-one".