86854519 has 4 divisors (see below), whose sum is σ = 87027696. Its totient is φ = 86681344.

The previous prime is 86854499. The next prime is 86854589. The reversal of 86854519 is 91545868.

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 86854519 - 2⁵ = 86854487 is a prime.

It is a super-2 number, since 2×86854519² = 15087414941442722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86854589) 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, 85834 + ... + 86839.

It is an arithmetic number, because the mean of its divisors is an integer number (21756924).

Almost surely, 2^86854519 is an apocalyptic number.

86854519 is a deficient number, since it is larger than the sum of its proper divisors (173177).

86854519 is a wasteful number, since it uses less digits than its factorization.

86854519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173176.

The product of its digits is 345600, while the sum is 46.

The square root of 86854519 is about 9319.5771899802. The cubic root of 86854519 is about 442.8576384564.

The spelling of 86854519 in words is "eighty-six million, eight hundred fifty-four thousand, five hundred nineteen".