7882865880 has 128 divisors (see below), whose sum is σ = 24031572480. Its totient is φ = 2068183040.

The previous prime is 7882865843. The next prime is 7882865911. The reversal of 7882865880 is 885682887.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8067952 + ... + 8068928.

It is an arithmetic number, because the mean of its divisors is an integer number (187746660).

Almost surely, 2^7882865880 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 7882865880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12015786240).

7882865880 is an abundant number, since it is smaller than the sum of its proper divisors (16148706600).

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

7882865880 is a wasteful number, since it uses less digits than its factorization.

7882865880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009 (or 2005 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 60.

The square root of 7882865880 is about 88785.5048980406. The cubic root of 7882865880 is about 1990.1907917036.

The spelling of 7882865880 in words is "seven billion, eight hundred eighty-two million, eight hundred sixty-five thousand, eight hundred eighty".