6876920648 has 64 divisors (see below), whose sum is σ = 15476832000. Its totient is φ = 2830021632.

The previous prime is 6876920639. The next prime is 6876920653. The reversal of 6876920648 is 8460296786.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6876920593 and 6876920602.

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, 68768 + ... + 135951.

It is an arithmetic number, because the mean of its divisors is an integer number (241825500).

Almost surely, 2^6876920648 is an apocalyptic number.

6876920648 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6876920648 is an abundant number, since it is smaller than the sum of its proper divisors (8599911352).

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

6876920648 is a wasteful number, since it uses less digits than its factorization.

6876920648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204774 (or 204770 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The square root of 6876920648 is about 82927.2008933136. The cubic root of 6876920648 is about 1901.6532837859.

The spelling of 6876920648 in words is "six billion, eight hundred seventy-six million, nine hundred twenty thousand, six hundred forty-eight".