6776556790 has 8 divisors (see below), whose sum is σ = 12197802240. Its totient is φ = 2710622712.

The previous prime is 6776556767. The next prime is 6776556791. The reversal of 6776556790 is 976556776.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6776556791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338827830 + ... + 338827849.

It is an arithmetic number, because the mean of its divisors is an integer number (1524725280).

Almost surely, 2^6776556790 is an apocalyptic number.

6776556790 is a deficient number, since it is larger than the sum of its proper divisors (5421245450).

6776556790 is a wasteful number, since it uses less digits than its factorization.

6776556790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677655686.

The product of its (nonzero) digits is 16669800, while the sum is 58.

The square root of 6776556790 is about 82319.8444483467. The cubic root of 6776556790 is about 1892.3568099617.

The spelling of 6776556790 in words is "six billion, seven hundred seventy-six million, five hundred fifty-six thousand, seven hundred ninety".