84648880 has 60 divisors (see below), whose sum is σ = 201504960. Its totient is φ = 33069952.

The previous prime is 84648871. The next prime is 84648881. The reversal of 84648880 is 8884648.

It is a self number, because there is not a number n which added to its sum of digits gives 84648880.

It is not an unprimeable number, because it can be changed into a prime (84648881) 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, 176481 + ... + 176959.

It is an arithmetic number, because the mean of its divisors is an integer number (3358416).

Almost surely, 2^84648880 is an apocalyptic number.

84648880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84648880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100752480).

84648880 is an abundant number, since it is smaller than the sum of its proper divisors (116856080).

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

84648880 is a wasteful number, since it uses less digits than its factorization.

84648880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 46.

The square root of 84648880 is about 9200.4825960381. The cubic root of 84648880 is about 439.0767140909.

The spelling of 84648880 in words is "eighty-four million, six hundred forty-eight thousand, eight hundred eighty".