6781877004 has 48 divisors (see below), whose sum is σ = 18101796608. Its totient is φ = 1935880128.

The previous prime is 6781876961. The next prime is 6781877017. The reversal of 6781877004 is 4007781876.

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, 54879 + ... + 128745.

Almost surely, 2^6781877004 is an apocalyptic number.

It is an amenable number.

6781877004 is an abundant number, since it is smaller than the sum of its proper divisors (11319919604).

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

6781877004 is a wasteful number, since it uses less digits than its factorization.

6781877004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74974 (or 74972 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 48.

The square root of 6781877004 is about 82352.1523944578. The cubic root of 6781877004 is about 1892.8519045432.

It can be divided in two parts, 6781 and 877004, that added together give a triangular number (883785 = T₁₃₂₉).

The spelling of 6781877004 in words is "six billion, seven hundred eighty-one million, eight hundred seventy-seven thousand, four".