6784987140 has 48 divisors (see below), whose sum is σ = 21108850560. Its totient is φ = 1809329760.

The previous prime is 6784987103. The next prime is 6784987171. The reversal of 6784987140 is 417894876.

It is a happy number.

6784987140 is a `hidden beast` number, since 6 + 7 + 8 + 498 + 7 + 140 = 666.

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

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, 6281856 + ... + 6282935.

It is an arithmetic number, because the mean of its divisors is an integer number (439767720).

Almost surely, 2^6784987140 is an apocalyptic number.

6784987140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6784987140 is an abundant number, since it is smaller than the sum of its proper divisors (14323863420).

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

6784987140 is a wasteful number, since it uses less digits than its factorization.

6784987140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12564809 (or 12564801 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 6784987140 is about 82371.0333794593. The cubic root of 6784987140 is about 1893.1412112329.

The spelling of 6784987140 in words is "six billion, seven hundred eighty-four million, nine hundred eighty-seven thousand, one hundred forty".