86338815 has 8 divisors (see below), whose sum is σ = 138142128. Its totient is φ = 46047360.

The previous prime is 86338807. The next prime is 86338843. The reversal of 86338815 is 51883368.

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

It is not a de Polignac number, because 86338815 - 2³ = 86338807 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2877946 + ... + 2877975.

It is an arithmetic number, because the mean of its divisors is an integer number (17267766).

Almost surely, 2^86338815 is an apocalyptic number.

86338815 is a deficient number, since it is larger than the sum of its proper divisors (51803313).

86338815 is a wasteful number, since it uses less digits than its factorization.

86338815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5755929.

The product of its digits is 138240, while the sum is 42.

The square root of 86338815 is about 9291.8682190397. The cubic root of 86338815 is about 441.9793998848.

It can be divided in two parts, 86338 and 815, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 86338815 in words is "eighty-six million, three hundred thirty-eight thousand, eight hundred fifteen".