6777788043 has 8 divisors (see below), whose sum is σ = 9732208528. Its totient is φ = 4170946464.

The previous prime is 6777788009. The next prime is 6777788063. The reversal of 6777788043 is 3408877776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6777788043 - 2⁶ = 6777787979 is a prime.

It is a super-3 number, since 3×6777788043³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6777788063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86894680 + ... + 86894757.

It is an arithmetic number, because the mean of its divisors is an integer number (1216526066).

Almost surely, 2^6777788043 is an apocalyptic number.

6777788043 is a deficient number, since it is larger than the sum of its proper divisors (2954420485).

6777788043 is a wasteful number, since it uses less digits than its factorization.

6777788043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173789453.

The product of its (nonzero) digits is 11063808, while the sum is 57.

The square root of 6777788043 is about 82327.3225788377. The cubic root of 6777788043 is about 1892.4714123560.

The spelling of 6777788043 in words is "six billion, seven hundred seventy-seven million, seven hundred eighty-eight thousand, forty-three".