84420468680 has 64 divisors (see below), whose sum is σ = 198850861440. Its totient is φ = 32194685952.

The previous prime is 84420468677. The next prime is 84420468683. The reversal of 84420468680 is 8686402448.

It is an interprime number because it is at equal distance from previous prime (84420468677) and next prime (84420468683).

It is not an unprimeable number, because it can be changed into a prime (84420468683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132992 + ... + 431888.

It is an arithmetic number, because the mean of its divisors is an integer number (3107044710).

Almost surely, 2^84420468680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84420468680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99425430720).

84420468680 is an abundant number, since it is smaller than the sum of its proper divisors (114430392760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84420468680 is a wasteful number, since it uses less digits than its factorization.

84420468680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299238 (or 299234 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 50.

The spelling of 84420468680 in words is "eighty-four billion, four hundred twenty million, four hundred sixty-eight thousand, six hundred eighty".