86614567813 has 4 divisors (see below), whose sum is σ = 86615472748. Its totient is φ = 86613662880.

The previous prime is 86614567811. The next prime is 86614567849. The reversal of 86614567813 is 31876541668.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 49879862244 + 36734705569 = 223338^2 + 191663^2 .

It is a cyclic number.

It is not a de Polignac number, because 86614567813 - 2¹ = 86614567811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86614567811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289278 + ... + 506863.

It is an arithmetic number, because the mean of its divisors is an integer number (21653868187).

Almost surely, 2^86614567813 is an apocalyptic number.

It is an amenable number.

86614567813 is a deficient number, since it is larger than the sum of its proper divisors (904935).

86614567813 is a wasteful number, since it uses less digits than its factorization.

86614567813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904934.

The product of its digits is 5806080, while the sum is 55.

The spelling of 86614567813 in words is "eighty-six billion, six hundred fourteen million, five hundred sixty-seven thousand, eight hundred thirteen".