6889480920 has 640 divisors, whose sum is σ = 28101427200. Its totient is φ = 1480550400.

The previous prime is 6889480909. The next prime is 6889480933. The reversal of 6889480920 is 290849886.

6889480920 is a `hidden beast` number, since 68 + 89 + 480 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 28826161 + ... + 28826399.

It is an arithmetic number, because the mean of its divisors is an integer number (43908480).

Almost surely, 2^6889480920 is an apocalyptic number.

6889480920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6889480920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14050713600).

6889480920 is an abundant number, since it is smaller than the sum of its proper divisors (21211946280).

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

6889480920 is a wasteful number, since it uses less digits than its factorization.

6889480920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The square root of 6889480920 is about 83002.8970578738. The cubic root of 6889480920 is about 1902.8103305121.

The spelling of 6889480920 in words is "six billion, eight hundred eighty-nine million, four hundred eighty thousand, nine hundred twenty".