7984212280 has 32 divisors (see below), whose sum is σ = 19597613040. Its totient is φ = 2903349760.

The previous prime is 7984212263. The next prime is 7984212287. The reversal of 7984212280 is 822124897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7984212287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9072529 + ... + 9073408.

Almost surely, 2^7984212280 is an apocalyptic number.

It is an amenable number.

7984212280 is an abundant number, since it is smaller than the sum of its proper divisors (11613400760).

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

7984212280 is a wasteful number, since it uses less digits than its factorization.

7984212280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18145959 (or 18145955 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 7984212280 is about 89354.4194765989. The cubic root of 7984212280 is about 1998.6834902579.

The spelling of 7984212280 in words is "seven billion, nine hundred eighty-four million, two hundred twelve thousand, two hundred eighty".