86055487 has 4 divisors (see below), whose sum is σ = 98349136. Its totient is φ = 73761840.

The previous prime is 86055469. The next prime is 86055493. The reversal of 86055487 is 78455068.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86055487 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 (86055787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6146814 + ... + 6146827.

It is an arithmetic number, because the mean of its divisors is an integer number (24587284).

Almost surely, 2^86055487 is an apocalyptic number.

86055487 is a deficient number, since it is larger than the sum of its proper divisors (12293649).

86055487 is a wasteful number, since it uses less digits than its factorization.

86055487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293648.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 86055487 is about 9276.6096716419. The cubic root of 86055487 is about 441.4954060265.

The spelling of 86055487 in words is "eighty-six million, fifty-five thousand, four hundred eighty-seven".