7994469870711 has 32 divisors (see below), whose sum is σ = 11961408875520. Its totient is φ = 5276683079712.

The previous prime is 7994469870689. The next prime is 7994469870743. The reversal of 7994469870711 is 1170789644997.

7994469870711 is a `hidden beast` number, since 7 + 9 + 94 + 469 + 8 + 7 + 0 + 71 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-7994469870711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7994469870711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7994469870011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11786926 + ... + 12446708.

It is an arithmetic number, because the mean of its divisors is an integer number (373794027360).

Almost surely, 2^{7994469870711} is an apocalyptic number.

7994469870711 is a deficient number, since it is larger than the sum of its proper divisors (3966939004809).

7994469870711 is a wasteful number, since it uses less digits than its factorization.

7994469870711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664252 (or 664246 counting only the distinct ones).

The product of its (nonzero) digits is 192036096, while the sum is 72.

The spelling of 7994469870711 in words is "seven trillion, nine hundred ninety-four billion, four hundred sixty-nine million, eight hundred seventy thousand, seven hundred eleven".