6726283687778 has 16 divisors (see below), whose sum is σ = 10112987060736. Its totient is φ = 3355288401600.

The previous prime is 6726283687603. The next prime is 6726283687793. The reversal of 6726283687778 is 8777863826276.

It is a super-2 number, since 2×6726283687778² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6726283687699 and 6726283687708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45636503 + ... + 45783653.

It is an arithmetic number, because the mean of its divisors is an integer number (632061691296).

Almost surely, 2^{6726283687778} is an apocalyptic number.

6726283687778 is a deficient number, since it is larger than the sum of its proper divisors (3386703372958).

6726283687778 is a wasteful number, since it uses less digits than its factorization.

6726283687778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200369.

The product of its digits is 3186376704, while the sum is 77.

The spelling of 6726283687778 in words is "six trillion, seven hundred twenty-six billion, two hundred eighty-three million, six hundred eighty-seven thousand, seven hundred seventy-eight".