7988280 has 32 divisors (see below), whose sum is σ = 23965200. Its totient is φ = 2130176.

The previous prime is 7988273. The next prime is 7988293. The reversal of 7988280 is 828897.

It is a happy number.

7988280 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33165 + ... + 33404.

Almost surely, 2^7988280 is an apocalyptic number.

It is an amenable number.

7988280 is an abundant number, since it is smaller than the sum of its proper divisors (15976920).

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

7988280 is a wasteful number, since it uses less digits than its factorization.

7988280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66583 (or 66579 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 7988280 is about 2826.3545425159. The cubic root of 7988280 is about 199.9022856006.

The spelling of 7988280 in words is "seven million, nine hundred eighty-eight thousand, two hundred eighty".