86316144 has 20 divisors (see below), whose sum is σ = 222983496. Its totient is φ = 28772032.

The previous prime is 86316143. The next prime is 86316187. The reversal of 86316144 is 44161368.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86316143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899079 + ... + 899174.

Almost surely, 2^86316144 is an apocalyptic number.

It is an amenable number.

86316144 is an abundant number, since it is smaller than the sum of its proper divisors (136667352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86316144 is a wasteful number, since it uses less digits than its factorization.

86316144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798264 (or 1798258 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 86316144 is about 9290.6482012828. The cubic root of 86316144 is about 441.9407112520.

The spelling of 86316144 in words is "eighty-six million, three hundred sixteen thousand, one hundred forty-four".