7976005988776 has 24 divisors (see below), whose sum is σ = 17396645716170. Its totient is φ = 3418288280736.

The previous prime is 7976005988747. The next prime is 7976005988809. The reversal of 7976005988776 is 6778895006797.

It can be written as a sum of positive squares in only one way, i.e., 5835268296900 + 2140737691876 = 2415630^2 + 1463126^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7976005988696 and 7976005988705.

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 5 ways as a sum of consecutive naturals, for example, 10173476635 + ... + 10173477418.

Almost surely, 2^{7976005988776} is an apocalyptic number.

It is an amenable number.

7976005988776 is an abundant number, since it is smaller than the sum of its proper divisors (9420639727394).

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

7976005988776 is a wasteful number, since it uses less digits than its factorization.

7976005988776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20346954073 (or 20346954062 counting only the distinct ones).

The product of its (nonzero) digits is 2240421120, while the sum is 79.

The spelling of 7976005988776 in words is "seven trillion, nine hundred seventy-six billion, five million, nine hundred eighty-eight thousand, seven hundred seventy-six".