84875520 has 216 divisors, whose sum is σ = 292275648. Its totient is φ = 20951040.

The previous prime is 84875519. The next prime is 84875563. The reversal of 84875520 is 2557848.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2737905 + ... + 2737935.

It is an arithmetic number, because the mean of its divisors is an integer number (1353128).

Almost surely, 2^84875520 is an apocalyptic number.

84875520 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 84875520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146137824).

84875520 is an abundant number, since it is smaller than the sum of its proper divisors (207400128).

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

84875520 is a wasteful number, since it uses less digits than its factorization.

84875520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 84875520 is about 9212.7911080193. The cubic root of 84875520 is about 439.4682280974.

The spelling of 84875520 in words is "eighty-four million, eight hundred seventy-five thousand, five hundred twenty".