6881505752 has 64 divisors (see below), whose sum is σ = 15221053440. Its totient is φ = 2881292800.

The previous prime is 6881505749. The next prime is 6881505793. The reversal of 6881505752 is 2575051886.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 6881505697 and 6881505706.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 21377 + ... + 119247.

It is an arithmetic number, because the mean of its divisors is an integer number (237828960).

Almost surely, 2^6881505752 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 6881505752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7610526720).

6881505752 is an abundant number, since it is smaller than the sum of its proper divisors (8339547688).

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

6881505752 is a wasteful number, since it uses less digits than its factorization.

6881505752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97952 (or 97948 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 47.

The square root of 6881505752 is about 82954.8416429083. The cubic root of 6881505752 is about 1902.0758246981.

The spelling of 6881505752 in words is "six billion, eight hundred eighty-one million, five hundred five thousand, seven hundred fifty-two".