86318793 has 48 divisors (see below), whose sum is σ = 143410176. Its totient is φ = 49521120.

The previous prime is 86318773. The next prime is 86318803. The reversal of 86318793 is 39781368.

It is a happy number.

86318793 is a `hidden beast` number, since 8 + 631 + 8 + 7 + 9 + 3 = 666.

It is not a de Polignac number, because 86318793 - 2¹⁴ = 86302409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86318723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 380146 + ... + 380372.

It is an arithmetic number, because the mean of its divisors is an integer number (2987712).

Almost surely, 2^86318793 is an apocalyptic number.

It is an amenable number.

86318793 is a deficient number, since it is larger than the sum of its proper divisors (57091383).

86318793 is a wasteful number, since it uses less digits than its factorization.

86318793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 431 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 86318793 is about 9290.7907629006. The cubic root of 86318793 is about 441.9452321868.

It can be divided in two parts, 8631 and 8793, that added together give a square (17424 = 132²).

The spelling of 86318793 in words is "eighty-six million, three hundred eighteen thousand, seven hundred ninety-three".