86868487 has 6 divisors (see below), whose sum is σ = 92279288. Its totient is φ = 81758304.

The previous prime is 86868469. The next prime is 86868499. The reversal of 86868487 is 78486868.

It is not a de Polignac number, because 86868487 - 2⁷ = 86868359 is a prime.

It is a super-2 number, since 2×86868487² = 15092268067338338, 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 (86868407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150003 + ... + 150580.

Almost surely, 2^86868487 is an apocalyptic number.

86868487 is a deficient number, since it is larger than the sum of its proper divisors (5410801).

86868487 is a wasteful number, since it uses less digits than its factorization.

86868487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300617 (or 300600 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 55.

The square root of 86868487 is about 9320.3265500732. The cubic root of 86868487 is about 442.8813774013.

The spelling of 86868487 in words is "eighty-six million, eight hundred sixty-eight thousand, four hundred eighty-seven".