86144673 has 8 divisors (see below), whose sum is σ = 115032928. Its totient is φ = 57343104.

The previous prime is 86144671. The next prime is 86144693. The reversal of 86144673 is 37644168.

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

It is not a de Polignac number, because 86144673 - 2¹ = 86144671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86144671) 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, 19315 + ... + 23352.

It is an arithmetic number, because the mean of its divisors is an integer number (14379116).

Almost surely, 2^86144673 is an apocalyptic number.

It is an amenable number.

86144673 is a deficient number, since it is larger than the sum of its proper divisors (28888255).

86144673 is a wasteful number, since it uses less digits than its factorization.

86144673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43343.

The product of its digits is 96768, while the sum is 39.

The square root of 86144673 is about 9281.4154631716. The cubic root of 86144673 is about 441.6478720534.

The spelling of 86144673 in words is "eighty-six million, one hundred forty-four thousand, six hundred seventy-three".