84489338670 has 96 divisors (see below), whose sum is σ = 223520674176. Its totient is φ = 20270361600.

The previous prime is 84489338627. The next prime is 84489338671. The reversal of 84489338670 is 7683398448.

It is a super-4 number, since 4×84489338670⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84489338671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3091365 + ... + 3118575.

It is an arithmetic number, because the mean of its divisors is an integer number (2328340356).

Almost surely, 2^84489338670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84489338670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111760337088).

84489338670 is an abundant number, since it is smaller than the sum of its proper divisors (139031335506).

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

84489338670 is a wasteful number, since it uses less digits than its factorization.

84489338670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27426 (or 27329 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 84489338670 in words is "eighty-four billion, four hundred eighty-nine million, three hundred thirty-eight thousand, six hundred seventy".