7109993977816 has 8 divisors (see below), whose sum is σ = 13331238708420. Its totient is φ = 3554996988904.

The previous prime is 7109993977777. The next prime is 7109993977847. The reversal of 7109993977816 is 6187793999017.

It is a tau number, because it is divible by the number of its divisors (8).

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, 444374623606 + ... + 444374623621.

Almost surely, 2^{7109993977816} is an apocalyptic number.

It is an amenable number.

7109993977816 is a deficient number, since it is larger than the sum of its proper divisors (6221244730604).

7109993977816 is a wasteful number, since it uses less digits than its factorization.

7109993977816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888749247233 (or 888749247229 counting only the distinct ones).

The product of its (nonzero) digits is 324060912, while the sum is 76.

The spelling of 7109993977816 in words is "seven trillion, one hundred nine billion, nine hundred ninety-three million, nine hundred seventy-seven thousand, eight hundred sixteen".