6773544864 has 96 divisors (see below), whose sum is σ = 19841552640. Its totient is φ = 2248091136.

The previous prime is 6773544853. The next prime is 6773544881. The reversal of 6773544864 is 4684453776.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×6773544864³ (a number of 30 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6773544864.

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, 184489 + ... + 218135.

It is an arithmetic number, because the mean of its divisors is an integer number (206682840).

Almost surely, 2^6773544864 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 6773544864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9920776320).

6773544864 is an abundant number, since it is smaller than the sum of its proper divisors (13068007776).

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

6773544864 is a wasteful number, since it uses less digits than its factorization.

6773544864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33899 (or 33885 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 54.

The square root of 6773544864 is about 82301.5483693958. The cubic root of 6773544864 is about 1892.0764078102.

The spelling of 6773544864 in words is "six billion, seven hundred seventy-three million, five hundred forty-four thousand, eight hundred sixty-four".