84730420488 has 128 divisors (see below), whose sum is σ = 247683870720. Its totient is φ = 23650859520.

The previous prime is 84730420483. The next prime is 84730420583. The reversal of 84730420488 is 88402403748.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84730420483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4499220 + ... + 4518012.

It is an arithmetic number, because the mean of its divisors is an integer number (1935030240).

Almost surely, 2^84730420488 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 84730420488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123841935360).

84730420488 is an abundant number, since it is smaller than the sum of its proper divisors (162953450232).

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

84730420488 is a wasteful number, since it uses less digits than its factorization.

84730420488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19427 (or 19423 counting only the distinct ones).

The product of its (nonzero) digits is 1376256, while the sum is 48.

The spelling of 84730420488 in words is "eighty-four billion, seven hundred thirty million, four hundred twenty thousand, four hundred eighty-eight".