6904857920 has 112 divisors (see below), whose sum is σ = 16812085248. Its totient is φ = 2700472320.

The previous prime is 6904857919. The next prime is 6904857961. The reversal of 6904857920 is 297584096.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2884244 + ... + 2886636.

It is an arithmetic number, because the mean of its divisors is an integer number (150107904).

Almost surely, 2^6904857920 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 6904857920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8406042624).

6904857920 is an abundant number, since it is smaller than the sum of its proper divisors (9907227328).

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

6904857920 is a wasteful number, since it uses less digits than its factorization.

6904857920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 6904857920 is about 83095.4747263652. The cubic root of 6904857920 is about 1904.2249398816.

The spelling of 6904857920 in words is "six billion, nine hundred four million, eight hundred fifty-seven thousand, nine hundred twenty".