84401391960859 has 8 divisors (see below), whose sum is σ = 84497540814848. Its totient is φ = 84305277121320.

The previous prime is 84401391960857. The next prime is 84401391960877. The reversal of 84401391960859 is 95806919310448.

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 84401391960859 - 2¹ = 84401391960857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84401391960794 and 84401391960803.

It is not an unprimeable number, because it can be changed into a prime (84401391960857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3536457 + ... + 13465114.

It is an arithmetic number, because the mean of its divisors is an integer number (10562192601856).

Almost surely, 2^{84401391960859} is an apocalyptic number.

84401391960859 is a deficient number, since it is larger than the sum of its proper divisors (96148853989).

84401391960859 is a wasteful number, since it uses less digits than its factorization.

84401391960859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17007225.

The product of its (nonzero) digits is 67184640, while the sum is 67.

The spelling of 84401391960859 in words is "eighty-four trillion, four hundred one billion, three hundred ninety-one million, nine hundred sixty thousand, eight hundred fifty-nine".