84990818611 has 8 divisors (see below), whose sum is σ = 85247193600. Its totient is φ = 84734510088.

The previous prime is 84990818543. The next prime is 84990818621. The reversal of 84990818611 is 11681809948.

It is a happy number.

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 84990818611 - 2¹¹ = 84990816563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84990818621) 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, 3944710 + ... + 3966196.

It is an arithmetic number, because the mean of its divisors is an integer number (10655899200).

Almost surely, 2^84990818611 is an apocalyptic number.

84990818611 is a deficient number, since it is larger than the sum of its proper divisors (256374989).

84990818611 is a wasteful number, since it uses less digits than its factorization.

84990818611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33233.

The product of its (nonzero) digits is 995328, while the sum is 55.

The spelling of 84990818611 in words is "eighty-four billion, nine hundred ninety million, eight hundred eighteen thousand, six hundred eleven".