6779477826 has 24 divisors (see below), whose sum is σ = 16024220784. Its totient is φ = 2054387160.

The previous prime is 6779477779. The next prime is 6779477839. The reversal of 6779477826 is 6287749776.

It is a super-2 number, since 2×6779477826² = 91922639186451372552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17119696 + ... + 17120091.

It is an arithmetic number, because the mean of its divisors is an integer number (667675866).

Almost surely, 2^6779477826 is an apocalyptic number.

6779477826 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6779477826 is an abundant number, since it is smaller than the sum of its proper divisors (9244742958).

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

6779477826 is a wasteful number, since it uses less digits than its factorization.

6779477826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34239806 (or 34239803 counting only the distinct ones).

The product of its digits is 49787136, while the sum is 63.

The square root of 6779477826 is about 82337.5845285736. The cubic root of 6779477826 is about 1892.6286711491.

The spelling of 6779477826 in words is "six billion, seven hundred seventy-nine million, four hundred seventy-seven thousand, eight hundred twenty-six".