6811947376 has 20 divisors (see below), whose sum is σ = 14213390632. Its totient is φ = 3143975616.

The previous prime is 6811947367. The next prime is 6811947407. The reversal of 6811947376 is 6737491186.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16374666 + ... + 16375081.

Almost surely, 2^6811947376 is an apocalyptic number.

It is an amenable number.

6811947376 is an abundant number, since it is smaller than the sum of its proper divisors (7401443256).

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

6811947376 is a wasteful number, since it uses less digits than its factorization.

6811947376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32749768 (or 32749762 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 6811947376 is about 82534.5223285384. The cubic root of 6811947376 is about 1895.6453712525.

The spelling of 6811947376 in words is "six billion, eight hundred eleven million, nine hundred forty-seven thousand, three hundred seventy-six".