6928905888 has 192 divisors, whose sum is σ = 20609447040. Its totient is φ = 2292675840.

The previous prime is 6928905857. The next prime is 6928905901. The reversal of 6928905888 is 8885098296.

It is a super-2 number, since 2×6928905888² = 96019473609522137088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12666831 + ... + 12667377.

It is an arithmetic number, because the mean of its divisors is an integer number (107340870).

Almost surely, 2^6928905888 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 6928905888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10304723520).

6928905888 is an abundant number, since it is smaller than the sum of its proper divisors (13680541152).

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

6928905888 is an equidigital number, since it uses as much as digits as its factorization.

6928905888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The square root of 6928905888 is about 83240.0497837429. The cubic root of 6928905888 is about 1906.4330317232.

The spelling of 6928905888 in words is "six billion, nine hundred twenty-eight million, nine hundred five thousand, eight hundred eighty-eight".