6775478508 has 96 divisors (see below), whose sum is σ = 16892064000. Its totient is φ = 2107607040.

The previous prime is 6775478461. The next prime is 6775478533. The reversal of 6775478508 is 8058745776.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7690228 + ... + 7691108.

It is an arithmetic number, because the mean of its divisors is an integer number (175959000).

Almost surely, 2^6775478508 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 6775478508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8446032000).

6775478508 is an abundant number, since it is smaller than the sum of its proper divisors (10116585492).

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

6775478508 is a wasteful number, since it uses less digits than its factorization.

6775478508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375 (or 1373 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 57.

The square root of 6775478508 is about 82313.2948435427. The cubic root of 6775478508 is about 1892.2564343783.

The spelling of 6775478508 in words is "six billion, seven hundred seventy-five million, four hundred seventy-eight thousand, five hundred eight".