86423647 has 8 divisors (see below), whose sum is σ = 92908800. Its totient is φ = 80132184.

The previous prime is 86423621. The next prime is 86423651. The reversal of 86423647 is 74632468.

It is a happy number.

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 86423647 - 2²³ = 78035039 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 (86423657) 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, 47497 + ... + 49282.

It is an arithmetic number, because the mean of its divisors is an integer number (11613600).

Almost surely, 2^86423647 is an apocalyptic number.

86423647 is a deficient number, since it is larger than the sum of its proper divisors (6485153).

86423647 is a wasteful number, since it uses less digits than its factorization.

86423647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96845.

The product of its digits is 193536, while the sum is 40.

The square root of 86423647 is about 9296.4319499472. The cubic root of 86423647 is about 442.1241077750.

The spelling of 86423647 in words is "eighty-six million, four hundred twenty-three thousand, six hundred forty-seven".