86216315 has 4 divisors (see below), whose sum is σ = 103459584. Its totient is φ = 68973048.

The previous prime is 86216309. The next prime is 86216323. The reversal of 86216315 is 51361268.

86216315 = T₃₃₈₃ + T₃₃₈₄ + ... + T₃₃₉₇.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86216315 - 2⁸ = 86216059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8621627 + ... + 8621636.

It is an arithmetic number, because the mean of its divisors is an integer number (25864896).

Almost surely, 2^86216315 is an apocalyptic number.

86216315 is a deficient number, since it is larger than the sum of its proper divisors (17243269).

86216315 is a wasteful number, since it uses less digits than its factorization.

86216315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17243268.

The product of its digits is 8640, while the sum is 32.

The square root of 86216315 is about 9285.2740939619. The cubic root of 86216315 is about 441.7702699086.

The spelling of 86216315 in words is "eighty-six million, two hundred sixteen thousand, three hundred fifteen".