6750477656 has 32 divisors (see below), whose sum is σ = 13634807760. Its totient is φ = 3114682752.

The previous prime is 6750477647. The next prime is 6750477673. The reversal of 6750477656 is 6567740576.

It is a junction number, because it is equal to n+sod(n) for n = 6750477598 and 6750477607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447371 + ... + 462213.

Almost surely, 2^6750477656 is an apocalyptic number.

It is an amenable number.

6750477656 is an abundant number, since it is smaller than the sum of its proper divisors (6884330104).

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

6750477656 is a wasteful number, since it uses less digits than its factorization.

6750477656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19235 (or 19231 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 53.

The square root of 6750477656 is about 82161.2904961941. The cubic root of 6750477656 is about 1889.9261522241.

The spelling of 6750477656 in words is "six billion, seven hundred fifty million, four hundred seventy-seven thousand, six hundred fifty-six".