7898943375 has 192 divisors, whose sum is σ = 15450439680. Its totient is φ = 3875040000.

The previous prime is 7898943361. The next prime is 7898943391. The reversal of 7898943375 is 5733498987.

It is a Cunningham number, because it is equal to 88876²-1.

It is not a de Polignac number, because 7898943375 - 2¹⁰ = 7898942351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 99986586 + ... + 99986664.

It is an arithmetic number, because the mean of its divisors is an integer number (80471040).

Almost surely, 2^7898943375 is an apocalyptic number.

7898943375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7898943375 is a deficient number, since it is larger than the sum of its proper divisors (7551496305).

7898943375 is a wasteful number, since it uses less digits than its factorization.

7898943375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 226 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The square root of 7898943375 is about 88875.9999943742. Note that the first 5 decimals coincide. The cubic root of 7898943375 is about 1991.5429037509.

The spelling of 7898943375 in words is "seven billion, eight hundred ninety-eight million, nine hundred forty-three thousand, three hundred seventy-five".