7999703400 has 384 divisors, whose sum is σ = 27999457920. Its totient is φ = 1876193280.

The previous prime is 7999703353. The next prime is 7999703407. The reversal of 7999703400 is 43079997.

It is a self number, because there is not a number n which added to its sum of digits gives 7999703400.

It is not an unprimeable number, because it can be changed into a prime (7999703407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15295539 + ... + 15296061.

It is an arithmetic number, because the mean of its divisors is an integer number (72915255).

Almost surely, 2^7999703400 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 7999703400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13999728960).

7999703400 is an abundant number, since it is smaller than the sum of its proper divisors (19999754520).

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

7999703400 is a wasteful number, since it uses less digits than its factorization.

7999703400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 48.

The square root of 7999703400 is about 89441.0610402180. The cubic root of 7999703400 is about 1999.9752830279.

The spelling of 7999703400 in words is "seven billion, nine hundred ninety-nine million, seven hundred three thousand, four hundred".