86401980806 has 8 divisors (see below), whose sum is σ = 136424180280. Its totient is φ = 40927254048.

The previous prime is 86401980779. The next prime is 86401980829. The reversal of 86401980806 is 60808910468.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1136868131 + ... + 1136868206.

It is an arithmetic number, because the mean of its divisors is an integer number (17053022535).

Almost surely, 2^86401980806 is an apocalyptic number.

86401980806 is a deficient number, since it is larger than the sum of its proper divisors (50022199474).

86401980806 is a wasteful number, since it uses less digits than its factorization.

86401980806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273736358.

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 86401980806 in words is "eighty-six billion, four hundred one million, nine hundred eighty thousand, eight hundred six".