84502980 has 48 divisors (see below), whose sum is σ = 262899840. Its totient is φ = 22533984.

The previous prime is 84502961. The next prime is 84502987. The reversal of 84502980 is 8920548.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (84502987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77704 + ... + 78783.

It is an arithmetic number, because the mean of its divisors is an integer number (5477080).

Almost surely, 2^84502980 is an apocalyptic number.

It is an amenable number.

84502980 is an abundant number, since it is smaller than the sum of its proper divisors (178396860).

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

84502980 is a wasteful number, since it uses less digits than its factorization.

84502980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156505 (or 156497 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 84502980 is about 9192.5502446274. The cubic root of 84502980 is about 438.8243062110.

The spelling of 84502980 in words is "eighty-four million, five hundred two thousand, nine hundred eighty".