6989078910 has 128 divisors (see below), whose sum is σ = 18697029120. Its totient is φ = 1657843200.

The previous prime is 6989078893. The next prime is 6989078963. The reversal of 6989078910 is 198709896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2984340 + ... + 2986680.

It is an arithmetic number, because the mean of its divisors is an integer number (146070540).

Almost surely, 2^6989078910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6989078910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9348514560).

6989078910 is an abundant number, since it is smaller than the sum of its proper divisors (11707950210).

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

6989078910 is a wasteful number, since it uses less digits than its factorization.

6989078910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554.

The product of its (nonzero) digits is 1959552, while the sum is 57.

The square root of 6989078910 is about 83600.7111811855. The cubic root of 6989078910 is about 1911.9358414584.

The spelling of 6989078910 in words is "six billion, nine hundred eighty-nine million, seventy-eight thousand, nine hundred ten".