7999913671200 has 432 divisors, whose sum is σ = 30837039865632. Its totient is φ = 1935413760000.

The previous prime is 7999913671187. The next prime is 7999913671241. The reversal of 7999913671200 is 21763199997.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 38784340 + ... + 38990060.

It is an arithmetic number, because the mean of its divisors is an integer number (71382036726).

Almost surely, 2^{7999913671200} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7999913671200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15418519932816).

7999913671200 is an abundant number, since it is smaller than the sum of its proper divisors (22837126194432).

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

7999913671200 is a wasteful number, since it uses less digits than its factorization.

7999913671200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206249 (or 206233 counting only the distinct ones).

The product of its (nonzero) digits is 11573604, while the sum is 63.

The spelling of 7999913671200 in words is "seven trillion, nine hundred ninety-nine billion, nine hundred thirteen million, six hundred seventy-one thousand, two hundred".