6791399766 has 24 divisors (see below), whose sum is σ = 14739206664. Its totient is φ = 2260029600.

The previous prime is 6791399761. The next prime is 6791399831. The reversal of 6791399766 is 6679931976.

It is a super-2 number, since 2×6791399766² = 92246221563249709512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6791399761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303076 + ... + 324711.

It is an arithmetic number, because the mean of its divisors is an integer number (614133611).

Almost surely, 2^6791399766 is an apocalyptic number.

6791399766 is an abundant number, since it is smaller than the sum of its proper divisors (7947806898).

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

6791399766 is a wasteful number, since it uses less digits than its factorization.

6791399766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628396 (or 628393 counting only the distinct ones).

The product of its digits is 23147208, while the sum is 63.

The square root of 6791399766 is about 82409.9494357326. The cubic root of 6791399766 is about 1893.7374385469.

The spelling of 6791399766 in words is "six billion, seven hundred ninety-one million, three hundred ninety-nine thousand, seven hundred sixty-six".