7872481280 has 192 divisors, whose sum is σ = 20367547200. Its totient is φ = 2910781440.

The previous prime is 7872481277. The next prime is 7872481319. The reversal of 7872481280 is 821842787.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8365610 + ... + 8366550.

It is an arithmetic number, because the mean of its divisors is an integer number (106080975).

Almost surely, 2^7872481280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7872481280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10183773600).

7872481280 is an abundant number, since it is smaller than the sum of its proper divisors (12495065920).

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

7872481280 is a wasteful number, since it uses less digits than its factorization.

7872481280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 47.

The square root of 7872481280 is about 88727.0042320826. The cubic root of 7872481280 is about 1989.3164727388.

The spelling of 7872481280 in words is "seven billion, eight hundred seventy-two million, four hundred eighty-one thousand, two hundred eighty".