6920478674208 has 144 divisors (see below), whose sum is σ = 21497807140992. Its totient is φ = 2094321600000.

The previous prime is 6920478674191. The next prime is 6920478674237. The reversal of 6920478674208 is 8024768740296.

6920478674208 is a `hidden beast` number, since 6 + 92 + 0 + 47 + 86 + 7 + 420 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 924778 + ... + 3833558.

It is an arithmetic number, because the mean of its divisors is an integer number (149290327368).

Almost surely, 2^{6920478674208} 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 6920478674208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10748903570496).

6920478674208 is an abundant number, since it is smaller than the sum of its proper divisors (14577328466784).

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

6920478674208 is a wasteful number, since it uses less digits than its factorization.

6920478674208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909559 (or 2909548 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 6920478674208 in words is "six trillion, nine hundred twenty billion, four hundred seventy-eight million, six hundred seventy-four thousand, two hundred eight".