6894485784 has 48 divisors (see below), whose sum is σ = 18691868520. Its totient is φ = 2295786240.

The previous prime is 6894485771. The next prime is 6894485849. The reversal of 6894485784 is 4875844986.

6894485784 is a `hidden beast` number, since 6 + 89 + 4 + 485 + 78 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21339 + ... + 119349.

Almost surely, 2^6894485784 is an apocalyptic number.

It is an amenable number.

6894485784 is an abundant number, since it is smaller than the sum of its proper divisors (11797382736).

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

6894485784 is a wasteful number, since it uses less digits than its factorization.

6894485784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99000 (or 98993 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The square root of 6894485784 is about 83033.0403152865. The cubic root of 6894485784 is about 1903.2709845581.

The spelling of 6894485784 in words is "six billion, eight hundred ninety-four million, four hundred eighty-five thousand, seven hundred eighty-four".