86084257 has 8 divisors (see below), whose sum is σ = 98484032. Its totient is φ = 73710000.

The previous prime is 86084249. The next prime is 86084261. The reversal of 86084257 is 75248068.

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

It is not a de Polignac number, because 86084257 - 2³ = 86084249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86084227) 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, 1507 + ... + 13207.

It is an arithmetic number, because the mean of its divisors is an integer number (12310504).

Almost surely, 2^86084257 is an apocalyptic number.

It is an amenable number.

86084257 is a deficient number, since it is larger than the sum of its proper divisors (12399775).

86084257 is a wasteful number, since it uses less digits than its factorization.

86084257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12759.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 86084257 is about 9278.1602163360. The cubic root of 86084257 is about 441.5446006723.

The spelling of 86084257 in words is "eighty-six million, eighty-four thousand, two hundred fifty-seven".