86196815 has 8 divisors (see below), whose sum is σ = 105388128. Its totient is φ = 67656160.

The previous prime is 86196797. The next prime is 86196829. The reversal of 86196815 is 51869168.

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

It is not a de Polignac number, because 86196815 - 2¹⁸ = 85934671 is a prime.

It is a super-2 number, since 2×86196815² = 14859781832288450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162371 + ... + 162900.

It is an arithmetic number, because the mean of its divisors is an integer number (13173516).

Almost surely, 2^86196815 is an apocalyptic number.

86196815 is a deficient number, since it is larger than the sum of its proper divisors (19191313).

86196815 is a wasteful number, since it uses less digits than its factorization.

86196815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325329.

The product of its digits is 103680, while the sum is 44.

The square root of 86196815 is about 9284.2239848035. The cubic root of 86196815 is about 441.7369615577.

The spelling of 86196815 in words is "eighty-six million, one hundred ninety-six thousand, eight hundred fifteen".