7998958485 has 192 divisors, whose sum is σ = 17209221120. Its totient is φ = 3356121600.

The previous prime is 7998958441. The next prime is 7998958537. The reversal of 7998958485 is 5848598997.

7998958485 is a `hidden beast` number, since 7 + 9 + 98 + 9 + 58 + 485 = 666.

7998958485 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7998958485 - 2⁶ = 7998958421 is a prime.

Its product of digits (261273600) is a multiple of the sum of its prime divisors (405).

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, 47897872 + ... + 47898038.

It is an arithmetic number, because the mean of its divisors is an integer number (89631360).

Almost surely, 2^7998958485 is an apocalyptic number.

It is an amenable number.

7998958485 is an abundant number, since it is smaller than the sum of its proper divisors (9210262635).

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

7998958485 is a wasteful number, since it uses less digits than its factorization.

7998958485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 405 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 72.

The square root of 7998958485 is about 89436.8966646317. The cubic root of 7998958485 is about 1999.9132033166.

The spelling of 7998958485 in words is "seven billion, nine hundred ninety-eight million, nine hundred fifty-eight thousand, four hundred eighty-five".