86465822815 has 8 divisors (see below), whose sum is σ = 103760728560. Its totient is φ = 69171497472.

The previous prime is 86465822809. The next prime is 86465822831. The reversal of 86465822815 is 51822856468.

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

It is a cyclic number.

It is not a de Polignac number, because 86465822815 - 2³¹ = 84318339167 is a prime.

It is a super-3 number, since 3×86465822815³ (a number of 34 digits) contains 333 as substring.

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, 315676 + ... + 522094.

It is an arithmetic number, because the mean of its divisors is an integer number (12970091070).

Almost surely, 2^86465822815 is an apocalyptic number.

86465822815 is a deficient number, since it is larger than the sum of its proper divisors (17294905745).

86465822815 is a wasteful number, since it uses less digits than its factorization.

86465822815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290201.

The product of its digits is 7372800, while the sum is 55.

The spelling of 86465822815 in words is "eighty-six billion, four hundred sixty-five million, eight hundred twenty-two thousand, eight hundred fifteen".