86438671 has 8 divisors (see below), whose sum is σ = 94633344. Its totient is φ = 78300120.

The previous prime is 86438663. The next prime is 86438711. The reversal of 86438671 is 17683468.

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 86438671 - 2³ = 86438663 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 (86438641) 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, 10771 + ... + 16996.

It is an arithmetic number, because the mean of its divisors is an integer number (11829168).

Almost surely, 2^86438671 is an apocalyptic number.

86438671 is a deficient number, since it is larger than the sum of its proper divisors (8194673).

86438671 is a wasteful number, since it uses less digits than its factorization.

86438671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28061.

The product of its digits is 193536, while the sum is 43.

The square root of 86438671 is about 9297.2399667858. The cubic root of 86438671 is about 442.1497261019.

The spelling of 86438671 in words is "eighty-six million, four hundred thirty-eight thousand, six hundred seventy-one".