84520080 has 60 divisors (see below), whose sum is σ = 283849020. Its totient is φ = 22538496.

The previous prime is 84520067. The next prime is 84520091. The reversal of 84520080 is 8002548.

It can be written as a sum of positive squares in 2 ways, for example, as 36578304 + 47941776 = 6048^2 + 6924^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57975 + ... + 59414.

It is an arithmetic number, because the mean of its divisors is an integer number (4730817).

Almost surely, 2^84520080 is an apocalyptic number.

84520080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84520080 is an abundant number, since it is smaller than the sum of its proper divisors (199328940).

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

84520080 is a wasteful number, since it uses less digits than its factorization.

84520080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117408 (or 117399 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 84520080 is about 9193.4802985594. The cubic root of 84520080 is about 438.8539043369.

The spelling of 84520080 in words is "eighty-four million, five hundred twenty thousand, eighty".