7999927772084 has 6 divisors (see below), whose sum is σ = 13999873601154. Its totient is φ = 3999963886040.

The previous prime is 7999927772041. The next prime is 7999927772167. The reversal of 7999927772084 is 4802777299997.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6627679527184 + 1372248244900 = 2574428^2 + 1171430^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999990971507 + ... + 999990971514.

It is an arithmetic number, because the mean of its divisors is an integer number (2333312266859).

Almost surely, 2^{7999927772084} is an apocalyptic number.

It is an amenable number.

7999927772084 is a deficient number, since it is larger than the sum of its proper divisors (5999945829070).

7999927772084 is a wasteful number, since it uses less digits than its factorization.

7999927772084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999981943025 (or 1999981943023 counting only the distinct ones).

The product of its (nonzero) digits is 2016379008, while the sum is 80.

The spelling of 7999927772084 in words is "seven trillion, nine hundred ninety-nine billion, nine hundred twenty-seven million, seven hundred seventy-two thousand, eighty-four".