7278305683804 has 12 divisors (see below), whose sum is σ = 12752740297528. Its totient is φ = 3634665598800.

The previous prime is 7278305683793. The next prime is 7278305683841. The reversal of 7278305683804 is 4083865038727.

It is a super-2 number, since 2×7278305683804² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121807127 + ... + 1121813614.

Almost surely, 2^{7278305683804} is an apocalyptic number.

It is an amenable number.

7278305683804 is a deficient number, since it is larger than the sum of its proper divisors (5474434613724).

7278305683804 is a wasteful number, since it uses less digits than its factorization.

7278305683804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243621556 (or 2243621554 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 61.

The spelling of 7278305683804 in words is "seven trillion, two hundred seventy-eight billion, three hundred five million, six hundred eighty-three thousand, eight hundred four".