7880991120 has 320 divisors, whose sum is σ = 28787681280. Its totient is φ = 1978214400.

The previous prime is 7880991119. The next prime is 7880991163. The reversal of 7880991120 is 211990887.

It is a super-2 number, since 2×7880991120² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2475930 + ... + 2479110.

It is an arithmetic number, because the mean of its divisors is an integer number (89961504).

Almost surely, 2^7880991120 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 7880991120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14393840640).

7880991120 is an abundant number, since it is smaller than the sum of its proper divisors (20906690160).

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

7880991120 is a wasteful number, since it uses less digits than its factorization.

7880991120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271 (or 3259 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 7880991120 is about 88774.9464657681. The cubic root of 7880991120 is about 1990.0330053531.

The spelling of 7880991120 in words is "seven billion, eight hundred eighty million, nine hundred ninety-one thousand, one hundred twenty".