7939798712 has 8 divisors (see below), whose sum is σ = 14887122600. Its totient is φ = 3969899352.

The previous prime is 7939798703. The next prime is 7939798747. The reversal of 7939798712 is 2178979397.

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, 496237412 + ... + 496237427.

It is an arithmetic number, because the mean of its divisors is an integer number (1860890325).

Almost surely, 2^7939798712 is an apocalyptic number.

It is an amenable number.

7939798712 is a deficient number, since it is larger than the sum of its proper divisors (6947323888).

7939798712 is a wasteful number, since it uses less digits than its factorization.

7939798712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992474845 (or 992474841 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 62.

The square root of 7939798712 is about 89105.5481549830. The cubic root of 7939798712 is about 1994.9705891146.

The spelling of 7939798712 in words is "seven billion, nine hundred thirty-nine million, seven hundred ninety-eight thousand, seven hundred twelve".