7766418806004 has 24 divisors (see below), whose sum is σ = 18125586068128. Its totient is φ = 2588243099040.

The previous prime is 7766418805967. The next prime is 7766418806017. The reversal of 7766418806004 is 4006088146677.

It is a happy number.

It is a super-2 number, since 2×7766418806004² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70338742 + ... + 70449069.

Almost surely, 2^{7766418806004} is an apocalyptic number.

It is an amenable number.

7766418806004 is an abundant number, since it is smaller than the sum of its proper divisors (10359167262124).

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

7766418806004 is a wasteful number, since it uses less digits than its factorization.

7766418806004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140792415 (or 140792413 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 7766418806004 in words is "seven trillion, seven hundred sixty-six billion, four hundred eighteen million, eight hundred six thousand, four".