86914704865 has 4 divisors (see below), whose sum is σ = 104297645844. Its totient is φ = 69531763888.

The previous prime is 86914704787. The next prime is 86914704887. The reversal of 86914704865 is 56840741968.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23159969856 + 63754735009 = 152184^2 + 252497^2 .

It is a cyclic number.

It is not a de Polignac number, because 86914704865 - 2⁹ = 86914704353 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 8691470482 + ... + 8691470491.

It is an arithmetic number, because the mean of its divisors is an integer number (26074411461).

Almost surely, 2^86914704865 is an apocalyptic number.

It is an amenable number.

86914704865 is a deficient number, since it is larger than the sum of its proper divisors (17382940979).

86914704865 is a wasteful number, since it uses less digits than its factorization.

86914704865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17382940978.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 86914704865 in words is "eighty-six billion, nine hundred fourteen million, seven hundred four thousand, eight hundred sixty-five".