86381613 has 8 divisors (see below), whose sum is σ = 127972800. Its totient is φ = 57587724.

The previous prime is 86381611. The next prime is 86381623. The reversal of 86381613 is 31618368.

86381613 is a `hidden beast` number, since 8 + 6 + 38 + 1 + 613 = 666.

It is not a de Polignac number, because 86381613 - 2¹ = 86381611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86381611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599633 + ... + 1599686.

It is an arithmetic number, because the mean of its divisors is an integer number (15996600).

Almost surely, 2^86381613 is an apocalyptic number.

It is an amenable number.

86381613 is a deficient number, since it is larger than the sum of its proper divisors (41591187).

86381613 is a wasteful number, since it uses less digits than its factorization.

86381613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199328 (or 3199322 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 86381613 is about 9294.1709151489. The cubic root of 86381613 is about 442.0524172938.

The spelling of 86381613 in words is "eighty-six million, three hundred eighty-one thousand, six hundred thirteen".