84218007789299 has 8 divisors (see below), whose sum is σ = 84548745645840. Its totient is φ = 83887400746336.

The previous prime is 84218007789169. The next prime is 84218007789301. The reversal of 84218007789299 is 99298770081248.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84218007789299 is a prime.

It is a super-2 number, since 2×84218007789299² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84218007729299) 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, 31413164 + ... + 33988569.

It is an arithmetic number, because the mean of its divisors is an integer number (10568593205730).

Almost surely, 2^{84218007789299} is an apocalyptic number.

84218007789299 is a deficient number, since it is larger than the sum of its proper divisors (330737856541).

84218007789299 is a wasteful number, since it uses less digits than its factorization.

84218007789299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65406789.

The product of its (nonzero) digits is 292626432, while the sum is 74.

The spelling of 84218007789299 in words is "eighty-four trillion, two hundred eighteen billion, seven million, seven hundred eighty-nine thousand, two hundred ninety-nine".