7997990032800 has 216 divisors, whose sum is σ = 28466493715296. Its totient is φ = 2112864453120.

The previous prime is 7997990032727. The next prime is 7997990032919. The reversal of 7997990032800 is 82300997997.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4420404 + ... + 5961203.

It is an arithmetic number, because the mean of its divisors is an integer number (131789322756).

Almost surely, 2^{7997990032800} is an apocalyptic number.

It is an amenable number.

7997990032800 is an abundant number, since it is smaller than the sum of its proper divisors (20468503682496).

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

7997990032800 is a wasteful number, since it uses less digits than its factorization.

7997990032800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10381740 (or 10381724 counting only the distinct ones).

The product of its (nonzero) digits is 15431472, while the sum is 63.

The spelling of 7997990032800 in words is "seven trillion, nine hundred ninety-seven billion, nine hundred ninety million, thirty-two thousand, eight hundred".