84894609213 has 12 divisors (see below), whose sum is σ = 129079523040. Its totient is φ = 53617647816.

The previous prime is 84894609209. The next prime is 84894609223. The reversal of 84894609213 is 31290649848.

84894609213 is a `hidden beast` number, since 8 + 4 + 8 + 9 + 4 + 609 + 21 + 3 = 666.

It is not a de Polignac number, because 84894609213 - 2² = 84894609209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84894609213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84894609203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248229681 + ... + 248230022.

It is an arithmetic number, because the mean of its divisors is an integer number (10756626920).

Almost surely, 2^84894609213 is an apocalyptic number.

It is an amenable number.

84894609213 is a deficient number, since it is larger than the sum of its proper divisors (44184913827).

84894609213 is a wasteful number, since it uses less digits than its factorization.

84894609213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496459728 (or 496459725 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 84894609213 in words is "eighty-four billion, eight hundred ninety-four million, six hundred nine thousand, two hundred thirteen".