6777048816 has 80 divisors (see below), whose sum is σ = 19866585600. Its totient is φ = 2210945472.

The previous prime is 6777048781. The next prime is 6777048823. The reversal of 6777048816 is 6188407776.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 146586 + ... + 187193.

It is an arithmetic number, because the mean of its divisors is an integer number (248332320).

Almost surely, 2^6777048816 is an apocalyptic number.

It is an amenable number.

6777048816 is an abundant number, since it is smaller than the sum of its proper divisors (13089536784).

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

6777048816 is a wasteful number, since it uses less digits than its factorization.

6777048816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333843 (or 333831 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 6777048816 is about 82322.8328958619. The cubic root of 6777048816 is about 1892.4026083539.

The spelling of 6777048816 in words is "six billion, seven hundred seventy-seven million, forty-eight thousand, eight hundred sixteen".