86665865825051 has 8 divisors (see below), whose sum is σ = 88312367293344. Its totient is φ = 85019782744000.

The previous prime is 86665865824997. The next prime is 86665865825059. The reversal of 86665865825051 is 15052856856668.

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 86665865825051 - 2¹⁴ = 86665865808667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86665865825059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104178575 + ... + 105007176.

It is an arithmetic number, because the mean of its divisors is an integer number (11039045911668).

Almost surely, 2^{86665865825051} is an apocalyptic number.

86665865825051 is a deficient number, since it is larger than the sum of its proper divisors (1646501468293).

86665865825051 is a wasteful number, since it uses less digits than its factorization.

86665865825051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209193621.

The product of its (nonzero) digits is 829440000, while the sum is 71.

The spelling of 86665865825051 in words is "eighty-six trillion, six hundred sixty-five billion, eight hundred sixty-five million, eight hundred twenty-five thousand, fifty-one".